This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:12,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:12,267 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:12,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:12,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:12,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:12,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:12,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:12,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:12,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:12,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:12,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:12,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:12,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:12,293 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:12,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:12,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:12,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:12,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:12,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:12,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:12,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:12,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:12,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:12,300 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:12,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:12,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:12,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:12,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:12,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:12,301 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:12,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:12,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:12,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:12,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:12,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:12,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:12,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:12,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:12,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:12,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:12,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:12,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:12,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:12,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:12,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:12,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:12,529 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:12,530 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:12,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-25 11:48:12,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:12,602 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:12,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 11:48:13,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:13,922 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:13,923 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 11:48:13,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e772a18d7/e94b3f7885a74ffa93ab8d5a5efc4839/FLAG986d7616e [2024-09-25 11:48:14,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e772a18d7/e94b3f7885a74ffa93ab8d5a5efc4839 [2024-09-25 11:48:14,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:14,345 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:14,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:14,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:14,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:14,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:12" (1/2) ... [2024-09-25 11:48:14,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6669cedc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:14, skipping insertion in model container [2024-09-25 11:48:14,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:12" (1/2) ... [2024-09-25 11:48:14,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73ec5961 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:14, skipping insertion in model container [2024-09-25 11:48:14,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:14" (2/2) ... [2024-09-25 11:48:14,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6669cedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14, skipping insertion in model container [2024-09-25 11:48:14,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:14" (2/2) ... [2024-09-25 11:48:14,362 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:14,362 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 11:48:14,362 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:14,362 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:14,362 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:14,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:14,504 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2024-09-25 11:48:14,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:14,530 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:14,571 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:14,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:14,593 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:14,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14 WrapperNode [2024-09-25 11:48:14,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:14,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:14,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:14,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:14,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,631 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 [2024-09-25 11:48:14,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:14,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:14,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:14,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:14,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (1/1) ... [2024-09-25 11:48:14,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:14,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:14,677 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) [2024-09-25 11:48:14,679 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 [2024-09-25 11:48:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:14,782 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:14,786 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:14,823 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:14,845 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,049 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,070 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:15,101 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:15,101 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:15,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:15 BoogieIcfgContainer [2024-09-25 11:48:15,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:15,102 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:15,102 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:15,103 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:15,103 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:12" (1/4) ... [2024-09-25 11:48:15,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a28f750 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,104 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:14" (2/4) ... [2024-09-25 11:48:15,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a28f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,106 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:14" (3/4) ... [2024-09-25 11:48:15,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a28f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,107 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:15" (4/4) ... [2024-09-25 11:48:15,108 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-25 11:48:15,111 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:15,112 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:15,112 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:15,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:15,112 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:15,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:15,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:15,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:15,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:15,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:15,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:15,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:15,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:15,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:15,114 INFO L131 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 [2024-09-25 11:48:15,164 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:15,164 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:15,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:15,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:15,167 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:15,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,175 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:15,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:15,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:15,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:15,180 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:15,192 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:15,209 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:15,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:15,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:15,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:15,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:15,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,211 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:15,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:15,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:15,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:15,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:15,213 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:15,239 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:15,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:15,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:15,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:15,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:15,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,259 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:15,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:15,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:15,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:15,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:15,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,269 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:19,293 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:19,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,294 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:19,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,297 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:19,308 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:19,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,311 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:19,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,314 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:19,332 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:19,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,332 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,372 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:19,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,382 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:19,393 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:19,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,413 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:19,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,414 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,414 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,414 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,427 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:23,446 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:23,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,448 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:23,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,448 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,448 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,453 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:23,462 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:23,462 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,464 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:23,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,465 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,467 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:23,474 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:23,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,477 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:23,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,479 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:23,488 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:23,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,490 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:23,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,491 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,491 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,491 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,491 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,493 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:23,502 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:23,502 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,502 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,503 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,503 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,507 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:23,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,510 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:23,518 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:23,518 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,543 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:23,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,550 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:27,557 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:27,562 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:27,563 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a28f750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:27, skipping insertion in model container [2024-09-25 11:48:27,563 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:27,564 INFO L158 Benchmark]: Toolchain (without parser) took 13218.14ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 74.9MB in the beginning and 95.6MB in the end (delta: -20.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,565 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:27,565 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 151.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:27,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.70ms. Allocated memory is still 151.0MB. Free memory was 74.7MB in the beginning and 60.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,566 INFO L158 Benchmark]: Boogie Preprocessor took 55.55ms. Allocated memory is still 151.0MB. Free memory was 60.8MB in the beginning and 58.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,566 INFO L158 Benchmark]: RCFGBuilder took 450.97ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 58.6MB in the beginning and 169.0MB in the end (delta: -110.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,566 INFO L158 Benchmark]: Referee took 12460.72ms. Allocated memory is still 207.6MB. Free memory was 169.0MB in the beginning and 95.6MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,568 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 37. 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. 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 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 28. 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 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 25. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 151.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.70ms. Allocated memory is still 151.0MB. Free memory was 74.7MB in the beginning and 60.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.55ms. Allocated memory is still 151.0MB. Free memory was 60.8MB in the beginning and 58.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.97ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 58.6MB in the beginning and 169.0MB in the end (delta: -110.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Referee took 12460.72ms. Allocated memory is still 207.6MB. Free memory was 169.0MB in the beginning and 95.6MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:27,596 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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:29,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:29,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:29,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:29,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:29,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:29,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:29,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:29,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:29,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:29,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:29,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:29,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:29,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:29,480 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:29,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:29,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:29,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:29,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:29,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:29,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:29,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:29,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:29,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:29,487 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:29,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:29,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:29,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:29,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:29,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:29,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:29,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:29,489 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:29,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:29,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:29,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:29,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:29,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:29,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:29,492 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:29,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:29,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:29,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:29,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:29,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:29,493 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:29,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:29,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:29,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:29,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:29,790 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:29,790 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:29,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-25 11:48:29,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:29,840 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:29,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 11:48:31,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:31,403 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:31,403 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 11:48:31,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c02f8f3d1/2a941d5f60224027a156876dabc45959/FLAG673be509e [2024-09-25 11:48:31,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c02f8f3d1/2a941d5f60224027a156876dabc45959 [2024-09-25 11:48:31,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:31,825 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:31,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:31,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:31,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:31,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:31,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e7c8fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:31,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e1454f5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:31" (2/2) ... [2024-09-25 11:48:31,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e7c8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:31" (2/2) ... [2024-09-25 11:48:31,840 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:31,843 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 11:48:31,844 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:31,844 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:31,844 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:31,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:31,994 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2024-09-25 11:48:32,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:32,025 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:32,058 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:32,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:32,090 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:32,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32 WrapperNode [2024-09-25 11:48:32,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:32,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:32,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:32,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,128 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 [2024-09-25 11:48:32,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:32,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:32,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:32,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:32,174 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) [2024-09-25 11:48:32,180 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 [2024-09-25 11:48:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:32,271 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:32,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:32,290 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:32,313 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:32,741 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:32,762 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:32,793 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:32,793 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:32,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:32 BoogieIcfgContainer [2024-09-25 11:48:32,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:32,794 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:32,794 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:32,794 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:32,794 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (1/4) ... [2024-09-25 11:48:32,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48ab44fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:31" (2/4) ... [2024-09-25 11:48:32,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48ab44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32" (3/4) ... [2024-09-25 11:48:32,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48ab44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:32" (4/4) ... [2024-09-25 11:48:32,797 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-25 11:48:32,799 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:32,800 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:32,800 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:32,800 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:32,800 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:32,801 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:32,801 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:32,801 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:32,801 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:32,801 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:32,801 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:32,802 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:32,802 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:32,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:32,803 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:32,842 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:32,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:32,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:32,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:32,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:32,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,852 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:32,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:32,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:32,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:32,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:32,867 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:32,884 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:32,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:32,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:32,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:32,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:32,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,886 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:32,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:32,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:32,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:32,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:32,889 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:32,905 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:32,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:32,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:32,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:32,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:32,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,912 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:32,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:32,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:32,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:32,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:36,955 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:36,991 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:36,991 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:36,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:36,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:36,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:36,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,992 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:36,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:36,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:36,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:36,993 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:36,996 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:37,010 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:37,010 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,012 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:37,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,012 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,013 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:37,038 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:37,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,038 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,069 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:37,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,070 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,074 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:37,082 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:37,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,097 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:37,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,140 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:41,162 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:41,162 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,163 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:41,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,165 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:41,172 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:41,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,174 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:41,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,175 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,175 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,176 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:41,183 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:41,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,183 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,184 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:41,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,186 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:41,192 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:41,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,195 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:41,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,195 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,197 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:41,209 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:41,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,213 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:41,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,232 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:41,241 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:41,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,254 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:41,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,254 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,254 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:45,350 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:45,379 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:45,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48ab44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,379 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:45,381 INFO L158 Benchmark]: Toolchain (without parser) took 13555.41ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 44.4MB in the end (delta: 373.3kB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,381 INFO L158 Benchmark]: Witness Parser took 0.83ms. Allocated memory is still 50.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:45,381 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.2MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:45,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.03ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 52.2MB in the end (delta: -7.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,382 INFO L158 Benchmark]: Boogie Preprocessor took 54.33ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 50.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,382 INFO L158 Benchmark]: RCFGBuilder took 644.99ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 58.7MB in the end (delta: -8.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,383 INFO L158 Benchmark]: Referee took 12585.81ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.4MB in the end (delta: 14.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,385 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 37. 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. 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 26. 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 __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 loop head at line 36. 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 main to check that procedure precondition always holds at line 28. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.83ms. Allocated memory is still 50.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.2MB in the end (delta: 62.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.03ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 52.2MB in the end (delta: -7.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.33ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 50.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.99ms. Allocated memory is still 81.8MB. Free memory was 49.9MB in the beginning and 58.7MB in the end (delta: -8.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12585.81ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.4MB in the end (delta: 14.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:45,420 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...