This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:53,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:53,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:53,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:53,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:53,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:53,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:53,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:53,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:53,454 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:53,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:53,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:53,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:53,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:53,455 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:53,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:53,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:53,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:53,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:53,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:53,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:53,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:53,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:53,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:53,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:53,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:53,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:53,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:53,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:53,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:53,464 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:53,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:53,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:53,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:53,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:53,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:53,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:53,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:53,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:53,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:53,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:53,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:53,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:53,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:53,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:53,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:53,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:53,698 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:53,703 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:53,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-13 10:09:53,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:53,760 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:53,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-13 10:09:55,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:55,170 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:55,172 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-13 10:09:55,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bb8dd666d/fc03e6ae7a884fe0931b63f369a117e6/FLAGb21340fba [2024-09-13 10:09:55,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bb8dd666d/fc03e6ae7a884fe0931b63f369a117e6 [2024-09-13 10:09:55,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:55,194 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:55,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:55,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:55,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:55,202 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 10:09:53" (1/2) ... [2024-09-13 10:09:55,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42077691 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,203 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 10:09:53" (1/2) ... [2024-09-13 10:09:55,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7185a02 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:55" (2/2) ... [2024-09-13 10:09:55,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42077691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:55" (2/2) ... [2024-09-13 10:09:55,213 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:55,213 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:09:55,213 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:55,213 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:55,213 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:55,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:55,361 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/lcm2_unwindbound10.c[537,550] [2024-09-13 10:09:55,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:55,394 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:55,429 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/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:55,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:55,458 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:55,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55 WrapperNode [2024-09-13 10:09:55,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:55,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:55,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:55,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:55,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,496 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 10:09:55,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:55,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:55,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:55,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:55,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:55,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:55,546 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 10:09:55,549 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 10:09:55,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:55,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:55,641 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:55,643 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:55,661 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:55,684 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:55,864 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:55,879 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:55,910 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:55,912 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:55,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:55 BoogieIcfgContainer [2024-09-13 10:09:55,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:55,913 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:55,913 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:55,914 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:55,914 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 10:09:53" (1/4) ... [2024-09-13 10:09:55,915 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c53d7da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,915 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:55" (2/4) ... [2024-09-13 10:09:55,915 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c53d7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,916 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (3/4) ... [2024-09-13 10:09:55,917 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c53d7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,917 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:55" (4/4) ... [2024-09-13 10:09:55,918 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-13 10:09:55,924 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:55,925 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 10:09:55,925 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:55,925 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:55,925 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:55,925 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:55,925 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:55,926 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:55,926 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 10:09:55,926 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 10:09:55,926 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 10:09:55,926 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:55,926 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:55,927 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:55,927 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:55,973 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:55,974 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:55,975 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:55,975 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:55,976 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:55,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,989 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:55,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:55,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:55,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:55,993 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:56,006 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 10:09:56,030 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:56,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:56,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:56,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:56,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:56,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,034 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:56,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:56,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:56,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:56,035 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:56,036 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:56,065 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:56,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:56,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:56,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:56,066 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:56,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,079 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:56,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:56,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:56,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:56,080 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,083 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:00,109 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:00,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,111 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:00,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,112 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,113 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:00,127 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:00,128 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,130 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:00,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,133 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:00,151 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:00,152 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,185 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:00,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,187 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,189 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:00,203 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:00,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,205 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,205 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,205 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,225 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:00,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,227 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,227 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,239 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:04,254 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:04,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,257 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,257 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,258 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:04,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,265 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:04,276 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:04,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,280 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:04,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,281 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,283 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:04,293 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:04,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,295 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:04,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,298 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:04,307 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:04,308 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,309 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:04,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,310 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,310 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,312 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:04,318 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:04,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,322 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:04,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,323 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,325 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:04,332 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:04,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,332 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,332 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,353 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:04,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:08,365 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:08,370 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:08,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c53d7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:08, skipping insertion in model container [2024-09-13 10:10:08,370 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:08,372 INFO L158 Benchmark]: Toolchain (without parser) took 13176.74ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 90.2MB in the beginning and 104.2MB in the end (delta: -13.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,372 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:08,372 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:08,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.63ms. Allocated memory is still 148.9MB. Free memory was 89.8MB in the beginning and 76.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,373 INFO L158 Benchmark]: Boogie Preprocessor took 53.14ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,373 INFO L158 Benchmark]: RCFGBuilder took 399.32ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 74.0MB in the beginning and 176.5MB in the end (delta: -102.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,374 INFO L158 Benchmark]: Referee took 12457.43ms. Allocated memory is still 209.7MB. Free memory was 176.5MB in the beginning and 104.2MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds 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 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.63ms. Allocated memory is still 148.9MB. Free memory was 89.8MB in the beginning and 76.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.14ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.32ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 74.0MB in the beginning and 176.5MB in the end (delta: -102.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Referee took 12457.43ms. Allocated memory is still 209.7MB. Free memory was 176.5MB in the beginning and 104.2MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:08,399 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:10,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:10,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:10,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:10,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:10,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:10,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:10,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:10,185 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:10,185 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:10,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:10,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:10,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:10,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:10,186 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:10,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:10,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:10,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:10,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:10,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:10,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:10,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:10,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:10,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:10,195 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:10,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:10,195 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:10,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:10,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:10,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:10,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:10,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:10,196 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:10,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:10,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:10,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:10,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:10,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:10,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:10,198 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:10,198 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:10,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:10,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:10,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:10,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:10,200 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:10,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:10,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:10,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:10,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:10,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:10,469 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:10,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-13 10:10:11,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:11,838 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:11,839 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-13 10:10:11,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/880eb4aec/bdc34f23ebe54d3ca33f2f66ee8c2fa9/FLAG51de1e3fa [2024-09-13 10:10:12,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/880eb4aec/bdc34f23ebe54d3ca33f2f66ee8c2fa9 [2024-09-13 10:10:12,255 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:12,256 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:12,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-13 10:10:12,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:12,296 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:12,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:12,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:12,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:12,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:12" (1/2) ... [2024-09-13 10:10:12,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:12" (1/2) ... [2024-09-13 10:10:12,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dd5cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,305 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 10:10:12" (2/2) ... [2024-09-13 10:10:12,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,305 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 10:10:12" (2/2) ... [2024-09-13 10:10:12,315 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:12,316 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:10:12,316 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:12,316 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:12,317 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:12,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:12,462 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/lcm2_unwindbound10.c[537,550] [2024-09-13 10:10:12,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:12,494 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:12,527 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/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:12,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:12,551 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:12,552 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12 WrapperNode [2024-09-13 10:10:12,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:12,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:12,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:12,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:12,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,578 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 10:10:12,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:12,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:12,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:12,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:12,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (1/1) ... [2024-09-13 10:10:12,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:12,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:12,625 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 10:10:12,629 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 10:10:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:12,726 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:12,728 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:12,743 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:12,763 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:13,025 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:13,043 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:13,073 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:13,073 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:13,074 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:13 BoogieIcfgContainer [2024-09-13 10:10:13,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:13,074 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:13,074 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:13,075 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:13,077 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:12" (1/4) ... [2024-09-13 10:10:13,078 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b491eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,078 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 10:10:12" (2/4) ... [2024-09-13 10:10:13,078 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b491eff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,078 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:12" (3/4) ... [2024-09-13 10:10:13,078 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b491eff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,078 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:13" (4/4) ... [2024-09-13 10:10:13,079 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-13 10:10:13,085 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:13,085 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 10:10:13,086 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:13,086 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:13,086 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:13,086 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:13,086 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:13,086 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:13,086 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 10:10:13,087 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 10:10:13,087 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 10:10:13,087 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:13,088 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:13,088 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:10:13,088 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:10:13,121 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:13,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,122 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,131 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:13,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:13,149 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 10:10:13,169 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:13,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,172 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:13,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,173 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,173 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,174 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:13,175 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:13,190 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:13,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,204 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:13,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,222 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:17,251 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:17,251 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,251 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,251 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,252 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,254 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:17,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,255 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,255 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,255 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,257 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,267 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:17,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,267 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,267 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,268 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:17,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,269 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,270 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,286 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:17,286 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,286 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,286 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,286 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,315 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:17,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,316 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,317 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:17,325 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:17,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,326 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,326 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,334 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:17,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,337 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:21,354 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:21,370 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:21,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:21,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:21,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:21,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:21,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,376 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:21,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:21,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:21,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:21,376 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:21,382 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:21,392 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:21,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:21,393 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:21,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:21,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:21,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,395 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:21,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,395 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:21,395 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:21,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:21,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:21,398 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:21,405 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:21,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:21,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:21,406 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:21,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:21,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,407 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:21,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:21,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:21,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:21,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:21,409 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:21,423 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:21,423 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:21,423 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:21,423 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:21,423 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:21,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,425 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:21,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:21,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:21,425 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:21,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:21,427 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:21,434 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:21,434 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:21,434 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:21,434 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:21,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:21,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,437 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:21,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:21,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:21,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:21,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:21,445 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:21,453 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:21,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:21,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:21,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:21,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:21,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,465 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:21,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:21,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:21,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:21,466 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:21,469 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:25,500 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:25,560 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:25,561 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b491eff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,561 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:25,562 INFO L158 Benchmark]: Toolchain (without parser) took 13265.33ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 33.8MB in the end (delta: 6.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:25,562 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 31.6MB in the beginning and 31.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:25,562 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 75.5MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:25,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.78ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 46.2MB in the end (delta: -6.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:25,563 INFO L158 Benchmark]: Boogie Preprocessor took 47.82ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 43.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:25,563 INFO L158 Benchmark]: RCFGBuilder took 472.30ms. Allocated memory is still 75.5MB. Free memory was 43.7MB in the beginning and 52.9MB in the end (delta: -9.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:25,564 INFO L158 Benchmark]: Referee took 12486.53ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 33.8MB in the end (delta: 18.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:25,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 31.6MB in the beginning and 31.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 75.5MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.78ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 46.2MB in the end (delta: -6.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.82ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 43.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.30ms. Allocated memory is still 75.5MB. Free memory was 43.7MB in the beginning and 52.9MB in the end (delta: -9.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12486.53ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 33.8MB in the end (delta: 18.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:25,606 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...