This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:28,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:28,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:28,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:28,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:28,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:28,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:28,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:28,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:28,270 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:28,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:28,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:28,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:28,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:28,272 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:28,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:28,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:28,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:28,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:28,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:28,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:28,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:28,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:28,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:28,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:28,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:28,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:28,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:28,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:28,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:28,280 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:28,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:28,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:28,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:28,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:28,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:28,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:28,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:28,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:28,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:28,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:28,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:28,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:28,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:28,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:28,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:28,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:28,564 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:28,566 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:28,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-25 11:48:28,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:28,623 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:28,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 11:48:30,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:30,276 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:30,276 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 11:48:30,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f08209231/1c5eda32853b4565a01c941063331f5b/FLAG8f4f81fad [2024-09-25 11:48:30,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f08209231/1c5eda32853b4565a01c941063331f5b [2024-09-25 11:48:30,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:30,297 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:30,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:30,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:30,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:30,306 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 11:48:28" (1/2) ... [2024-09-25 11:48:30,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e403a8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,307 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 11:48:28" (1/2) ... [2024-09-25 11:48:30,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@720b758d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:30" (2/2) ... [2024-09-25 11:48:30,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e403a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:30" (2/2) ... [2024-09-25 11:48:30,316 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:30,316 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 11:48:30,317 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:30,317 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:30,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:30,484 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_valuebound5.c[537,550] [2024-09-25 11:48:30,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:30,508 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:30,550 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_valuebound5.c[537,550] Start Parsing Local [2024-09-25 11:48:30,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:30,583 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:30,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30 WrapperNode [2024-09-25 11:48:30,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:30,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:30,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:30,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:30,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,613 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 11:48:30,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:30,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:30,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:30,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:30,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (1/1) ... [2024-09-25 11:48:30,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:30,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:30,660 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 11:48:30,661 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 11:48:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:30,757 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:30,759 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:30,988 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:31,016 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:31,064 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:31,064 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:31,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:31 BoogieIcfgContainer [2024-09-25 11:48:31,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:31,066 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:31,066 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:31,067 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:31,067 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 11:48:28" (1/4) ... [2024-09-25 11:48:31,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3295ac9e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,068 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:30" (2/4) ... [2024-09-25 11:48:31,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3295ac9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,069 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:30" (3/4) ... [2024-09-25 11:48:31,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3295ac9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:31" (4/4) ... [2024-09-25 11:48:31,071 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-25 11:48:31,074 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:31,075 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:31,076 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:31,076 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:31,076 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 11:48:31,076 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 11:48:31,077 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:31,077 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:31,077 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-25 11:48:31,143 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:31,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:31,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:31,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:31,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:31,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,158 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:31,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:31,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:31,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:31,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:31,191 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:31,226 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:31,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:31,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:31,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:31,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:31,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,247 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:31,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,248 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:31,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:31,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:31,253 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:31,255 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:31,278 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:31,278 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:31,279 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:31,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:31,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:31,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,289 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:31,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:31,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:31,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:31,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:31,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,298 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:35,315 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:35,316 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,316 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,316 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,316 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,321 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:35,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,326 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:35,338 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:35,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,341 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:35,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,341 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,342 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,342 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,342 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,344 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:35,357 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:35,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,358 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,377 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:35,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,378 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,378 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,378 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,378 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:35,382 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:35,432 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:35,432 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,433 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,433 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,433 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,459 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:35,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:39,472 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:39,478 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:39,479 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3295ac9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:39, skipping insertion in model container [2024-09-25 11:48:39,479 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:39,481 INFO L158 Benchmark]: Toolchain (without parser) took 9182.95ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 125.1MB in the end (delta: -14.4MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,482 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:39,483 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:39,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.02ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 96.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,484 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,485 INFO L158 Benchmark]: RCFGBuilder took 433.46ms. Allocated memory is still 163.6MB. Free memory was 94.6MB in the beginning and 77.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,486 INFO L158 Benchmark]: Referee took 8413.91ms. Allocated memory is still 163.6MB. Free memory was 77.2MB in the beginning and 125.1MB in the end (delta: -47.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:39,488 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 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from 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 __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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.02ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 96.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.46ms. Allocated memory is still 163.6MB. Free memory was 94.6MB in the beginning and 77.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8413.91ms. Allocated memory is still 163.6MB. Free memory was 77.2MB in the beginning and 125.1MB in the end (delta: -47.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:39,510 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 11:48:41,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:41,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:41,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:41,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:41,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:41,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:41,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:41,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:41,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:41,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:41,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:41,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:41,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:41,797 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:41,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:41,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:41,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:41,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:41,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:41,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:41,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:41,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:41,800 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:41,800 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:41,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:41,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:41,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:41,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:41,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:41,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:41,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:41,802 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:41,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:41,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:41,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:41,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:41,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:41,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:41,807 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:41,808 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:41,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:41,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:41,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:41,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:41,808 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:41,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:42,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:42,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:42,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:42,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:42,153 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:42,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 11:48:43,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:43,911 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:43,913 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 11:48:43,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/16ef1b00e/d876954a3ed144d18b3082b8d79e109a/FLAGe14c8ae57 [2024-09-25 11:48:43,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/16ef1b00e/d876954a3ed144d18b3082b8d79e109a [2024-09-25 11:48:43,945 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:43,946 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:43,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-25 11:48:44,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:44,003 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:44,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:44,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:44,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:44,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:43" (1/2) ... [2024-09-25 11:48:44,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128475cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:43" (1/2) ... [2024-09-25 11:48:44,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cbd1c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,016 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 11:48:44" (2/2) ... [2024-09-25 11:48:44,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128475cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,019 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 11:48:44" (2/2) ... [2024-09-25 11:48:44,026 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:44,028 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 11:48:44,028 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:44,029 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:44,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:44,225 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_valuebound5.c[537,550] [2024-09-25 11:48:44,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:44,263 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:44,304 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_valuebound5.c[537,550] Start Parsing Local [2024-09-25 11:48:44,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:44,339 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:44,339 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44 WrapperNode [2024-09-25 11:48:44,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:44,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:44,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:44,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:44,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,368 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 11:48:44,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:44,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:44,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:44,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:44,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (1/1) ... [2024-09-25 11:48:44,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:44,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:44,410 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 11:48:44,412 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 11:48:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:44,452 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:44,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:44,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:44,536 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:44,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:45,192 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:45,223 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:45,261 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:45,262 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:45,263 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:45 BoogieIcfgContainer [2024-09-25 11:48:45,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:45,263 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:45,264 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:45,264 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:45,265 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:43" (1/4) ... [2024-09-25 11:48:45,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e57f59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,266 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 11:48:44" (2/4) ... [2024-09-25 11:48:45,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e57f59e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,267 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:44" (3/4) ... [2024-09-25 11:48:45,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e57f59e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,267 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:45" (4/4) ... [2024-09-25 11:48:45,268 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-25 11:48:45,272 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:45,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:45,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:45,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:45,273 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 11:48:45,274 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 11:48:45,274 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:45,274 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:45,275 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:45,315 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:45,316 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:45,316 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:45,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:45,318 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:45,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,328 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:45,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:45,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:45,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:45,334 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:45,354 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:45,385 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:45,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:45,385 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:45,385 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:45,385 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:45,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,410 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:45,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:45,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:45,412 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:45,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:45,414 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:45,430 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:45,431 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:45,431 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:45,431 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:45,431 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:45,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,436 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:45,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:45,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:45,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:45,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:45,436 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,490 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:49,527 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:49,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,528 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,535 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:49,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,536 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,539 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:49,565 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:49,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,568 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:49,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,569 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,571 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:49,597 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:49,599 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,621 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:49,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:49,646 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:49,666 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:49,667 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:49,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:49,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:49,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:49,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,695 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:49,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:49,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:49,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:49,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:49,703 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:53,829 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:53,863 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:53,864 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e57f59e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:53, skipping insertion in model container [2024-09-25 11:48:53,864 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:53,866 INFO L158 Benchmark]: Toolchain (without parser) took 9861.87ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 35.7MB in the beginning and 65.0MB in the end (delta: -29.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,866 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 48.2MB. Free memory was 29.4MB in the beginning and 29.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:53,866 INFO L158 Benchmark]: Witness Parser took 1.23ms. Allocated memory is still 75.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:53,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.85ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 45.3MB in the end (delta: -9.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,868 INFO L158 Benchmark]: Boogie Preprocessor took 41.33ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,868 INFO L158 Benchmark]: RCFGBuilder took 879.90ms. Allocated memory is still 75.5MB. Free memory was 43.1MB in the beginning and 50.3MB in the end (delta: -7.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,869 INFO L158 Benchmark]: Referee took 8600.74ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 50.3MB in the beginning and 65.0MB in the end (delta: -14.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:53,871 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 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 48.2MB. Free memory was 29.4MB in the beginning and 29.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.23ms. Allocated memory is still 75.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.85ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 45.3MB in the end (delta: -9.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.33ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 879.90ms. Allocated memory is still 75.5MB. Free memory was 43.1MB in the beginning and 50.3MB in the end (delta: -7.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8600.74ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 50.3MB in the beginning and 65.0MB in the end (delta: -14.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:53,918 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...