This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:09,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:09,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:09,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:09,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:09,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:09,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:09,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:09,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:09,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:09,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:09,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:09,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:09,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:09,256 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:09,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:09,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:09,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:09,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:09,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:09,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:09,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:09,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:09,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:09,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:09,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:09,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:09,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:09,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:09,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:09,263 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:09,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:09,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:09,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:09,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:09,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:09,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:09,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:09,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:09,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:09,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:09,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:09,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:09,267 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:09,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:09,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:09,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:09,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:09,543 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:09,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 10:10:10,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:11,148 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:11,148 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 10:10:11,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f7ee8fef8/8c45cdee502f435088e23f0d0b3b0145/FLAG2b031d9c8 [2024-09-13 10:10:11,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f7ee8fef8/8c45cdee502f435088e23f0d0b3b0145 [2024-09-13 10:10:11,504 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:11,505 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:11,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-13 10:10:11,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:11,560 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:11,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:11,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:11,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:11,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:11" (1/2) ... [2024-09-13 10:10:11,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9f3cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:11" (1/2) ... [2024-09-13 10:10:11,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@630afc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:11" (2/2) ... [2024-09-13 10:10:11,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9f3cdd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:11" (2/2) ... [2024-09-13 10:10:11,583 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:11,584 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 10:10:11,585 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:11,585 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:11,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:11,729 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-09-13 10:10:11,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:11,753 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:11,792 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] Start Parsing Local [2024-09-13 10:10:11,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:11,826 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:11,827 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11 WrapperNode [2024-09-13 10:10:11,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:11,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:11,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:11,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:11,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,854 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:11,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:11,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:11,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:11,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:11,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:11,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:11,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:11,897 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:12,016 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:12,023 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:12,256 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:12,276 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:12,307 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:12,308 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:12,309 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:12 BoogieIcfgContainer [2024-09-13 10:10:12,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:12,310 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:12,310 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:12,311 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:12,311 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:11" (1/4) ... [2024-09-13 10:10:12,311 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e8e05b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,312 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:11" (2/4) ... [2024-09-13 10:10:12,312 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e8e05b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,312 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:11" (3/4) ... [2024-09-13 10:10:12,312 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e8e05b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,313 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:12" (4/4) ... [2024-09-13 10:10:12,314 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-13 10:10:12,321 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:12,322 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:12,323 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:12,323 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:12,323 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:12,323 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:12,323 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:12,324 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:12,324 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:10:12,377 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:12,378 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,379 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,392 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:12,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,423 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:12,467 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:12,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,507 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:12,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,514 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:12,528 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:12,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,537 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:12,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,550 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:16,570 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:16,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,570 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,571 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,574 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:16,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,583 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:16,599 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:16,599 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,602 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:16,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,606 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:16,625 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:16,626 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,626 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,626 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,626 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,640 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:16,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,647 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:16,660 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:16,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,694 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:16,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,711 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:20,717 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:20,718 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e8e05b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:20, skipping insertion in model container [2024-09-13 10:10:20,718 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:20,719 INFO L158 Benchmark]: Toolchain (without parser) took 9158.42ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 79.5MB in the end (delta: 53.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:20,720 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:20,720 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:20,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.70ms. Allocated memory is still 163.6MB. Free memory was 132.8MB in the beginning and 119.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:20,721 INFO L158 Benchmark]: Boogie Preprocessor took 40.71ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:20,722 INFO L158 Benchmark]: RCFGBuilder took 440.17ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 124.4MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:20,722 INFO L158 Benchmark]: Referee took 8408.30ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 79.5MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:20,728 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 check that a call to reach_error is unreachable at line 13. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.70ms. Allocated memory is still 163.6MB. Free memory was 132.8MB in the beginning and 119.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.71ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.17ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 124.4MB in the end (delta: -7.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8408.30ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 79.5MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:20,751 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:22,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:23,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:23,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:23,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:23,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:23,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:23,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:23,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:23,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:23,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:23,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:23,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:23,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:23,049 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:23,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:23,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:23,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:23,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:23,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:23,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:23,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:23,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:23,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:23,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:23,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:23,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:23,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:23,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:23,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:23,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:23,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:23,058 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:23,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:23,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:23,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:23,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:23,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:23,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:23,060 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:23,060 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:23,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:23,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:23,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:23,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:23,062 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:23,062 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:23,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:23,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:23,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:23,419 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:23,419 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:23,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-13 10:10:23,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:23,467 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:23,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 10:10:25,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:25,226 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:25,226 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 10:10:25,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/30e8f056e/3fe53719476c468c827dd605a6a287fe/FLAG10ac25a34 [2024-09-13 10:10:25,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/30e8f056e/3fe53719476c468c827dd605a6a287fe [2024-09-13 10:10:25,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:25,621 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:25,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:25,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:25,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:25,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:23" (1/2) ... [2024-09-13 10:10:25,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186e6d80 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:23" (1/2) ... [2024-09-13 10:10:25,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26f2cdf0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:25" (2/2) ... [2024-09-13 10:10:25,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186e6d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25, skipping insertion in model container [2024-09-13 10:10:25,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:25" (2/2) ... [2024-09-13 10:10:25,648 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:25,648 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 10:10:25,649 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:25,649 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:25,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:25,859 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-09-13 10:10:25,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:25,893 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:25,935 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] Start Parsing Local [2024-09-13 10:10:25,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:25,970 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:25,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25 WrapperNode [2024-09-13 10:10:25,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:25,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:25,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:25,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:25,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:25,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:25,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,010 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:26,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:26,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:26,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:26,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:26,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (1/1) ... [2024-09-13 10:10:26,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:26,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:26,070 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:26,195 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:26,198 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:26,601 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:26,638 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:26,675 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:26,676 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:26,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:26 BoogieIcfgContainer [2024-09-13 10:10:26,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:26,677 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:26,677 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:26,679 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:26,679 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:23" (1/4) ... [2024-09-13 10:10:26,680 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5090adaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:26, skipping insertion in model container [2024-09-13 10:10:26,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:25" (2/4) ... [2024-09-13 10:10:26,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5090adaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:26, skipping insertion in model container [2024-09-13 10:10:26,682 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:25" (3/4) ... [2024-09-13 10:10:26,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5090adaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:26, skipping insertion in model container [2024-09-13 10:10:26,682 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:26" (4/4) ... [2024-09-13 10:10:26,683 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-13 10:10:26,688 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:26,689 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:26,689 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:26,689 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:26,690 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:26,690 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:26,691 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:26,691 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:26,691 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:10:26,748 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:26,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:26,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:26,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:26,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:26,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,769 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:26,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:26,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:26,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:26,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:26,796 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:26,820 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:26,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:26,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:26,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:26,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:26,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,843 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:26,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:26,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:26,844 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:26,844 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:26,846 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:26,873 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:26,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:26,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:26,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:26,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:26,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,878 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:26,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:26,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:26,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:26,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:26,923 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:26,949 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:26,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:26,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:26,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:26,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:26,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,953 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:26,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:26,953 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:26,953 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:26,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:26,967 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:26,993 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:26,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:26,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:26,993 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:26,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:26,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,995 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:26,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:26,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:26,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:26,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:26,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:27,001 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:27,012 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:27,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:27,013 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:27,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:27,013 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:27,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:27,031 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:27,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:27,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:27,032 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:27,032 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:27,032 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:27,076 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:27,091 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:27,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:27,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:27,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:27,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:27,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:27,111 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:27,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:27,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:27,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:27,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:27,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:31,164 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:31,184 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:31,184 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5090adaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:31, skipping insertion in model container [2024-09-13 10:10:31,184 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:31,186 INFO L158 Benchmark]: Toolchain (without parser) took 5564.18ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 35.2MB in the beginning and 42.4MB in the end (delta: -7.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:31,186 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:31,187 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 46.1MB. Free memory is still 21.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:31,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.10ms. Allocated memory is still 62.9MB. Free memory was 35.0MB in the beginning and 37.1MB in the end (delta: -2.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:31,188 INFO L158 Benchmark]: Boogie Preprocessor took 61.84ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 34.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:31,188 INFO L158 Benchmark]: RCFGBuilder took 641.94ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 57.2MB in the end (delta: -22.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:31,189 INFO L158 Benchmark]: Referee took 4507.32ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 42.4MB in the end (delta: 14.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:31,192 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. 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 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 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 46.1MB. Free memory is still 21.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.10ms. Allocated memory is still 62.9MB. Free memory was 35.0MB in the beginning and 37.1MB in the end (delta: -2.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.84ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 34.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 641.94ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 57.2MB in the end (delta: -22.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4507.32ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 42.4MB in the end (delta: 14.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:31,221 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...