This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:05,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:05,941 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:05,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:05,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:05,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:05,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:05,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:05,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:05,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:05,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:05,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:05,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:05,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:05,980 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:05,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:05,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:05,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:05,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:05,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:05,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:05,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:05,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:05,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:05,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:05,985 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:05,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:05,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:05,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:05,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:05,987 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:05,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:05,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:05,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:05,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:05,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:05,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:05,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:05,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:05,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:05,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:05,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:05,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:05,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:06,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:06,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:06,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:06,269 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:06,270 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:06,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-13 10:10:06,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:06,321 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:06,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 10:10:07,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:07,877 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:07,877 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 10:10:07,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3dd301a04/2504197bf53f419b92a868f25a533436/FLAG48e439031 [2024-09-13 10:10:07,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3dd301a04/2504197bf53f419b92a868f25a533436 [2024-09-13 10:10:07,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:07,902 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:07,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:07,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:07,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:07,913 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 10:10:06" (1/2) ... [2024-09-13 10:10:07,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceb17f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:07, skipping insertion in model container [2024-09-13 10:10:07,914 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 10:10:06" (1/2) ... [2024-09-13 10:10:07,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c9b3208 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:07, skipping insertion in model container [2024-09-13 10:10:07,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:07" (2/2) ... [2024-09-13 10:10:07,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceb17f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:07, skipping insertion in model container [2024-09-13 10:10:07,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:07" (2/2) ... [2024-09-13 10:10:07,926 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:07,926 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 10:10:07,926 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:07,926 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:07,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:08,099 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_valuebound2.c[537,550] [2024-09-13 10:10:08,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:08,128 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:08,167 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_valuebound2.c[537,550] Start Parsing Local [2024-09-13 10:10:08,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:08,199 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:08,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08 WrapperNode [2024-09-13 10:10:08,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:08,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:08,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:08,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:08,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,238 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 10:10:08,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:08,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:08,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:08,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:08,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (1/1) ... [2024-09-13 10:10:08,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:08,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:08,292 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 10:10:08,298 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 10:10:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:08,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:08,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:08,407 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:08,409 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:08,660 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:08,683 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:08,715 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:08,716 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:08,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:08 BoogieIcfgContainer [2024-09-13 10:10:08,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:08,717 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:08,718 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:08,718 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:08,719 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 10:10:06" (1/4) ... [2024-09-13 10:10:08,719 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ccf64b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:08, skipping insertion in model container [2024-09-13 10:10:08,719 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:07" (2/4) ... [2024-09-13 10:10:08,719 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ccf64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:08, skipping insertion in model container [2024-09-13 10:10:08,721 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:08" (3/4) ... [2024-09-13 10:10:08,721 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ccf64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:08, skipping insertion in model container [2024-09-13 10:10:08,721 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:08" (4/4) ... [2024-09-13 10:10:08,722 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-13 10:10:08,726 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:08,727 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 10:10:08,727 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 10:10:08,727 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 10:10:08,727 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 10:10:08,727 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 10:10:08,727 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 10:10:08,728 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 10:10:08,728 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:10:08,789 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:08,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:08,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:08,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:08,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:08,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,801 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:08,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:08,829 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:08,860 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:08,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:08,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:08,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:08,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:08,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,887 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:08,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:08,899 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:08,918 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:08,921 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:08,921 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:08,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:08,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:08,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,931 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:08,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,932 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,936 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:12,952 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:12,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,953 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,955 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:12,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,959 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:12,983 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:12,983 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,988 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:12,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,989 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,992 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:13,013 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:13,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,017 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,050 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:13,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:13,062 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:13,088 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:13,088 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,088 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,088 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,134 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:13,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,152 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:17,157 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:17,158 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ccf64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:17, skipping insertion in model container [2024-09-13 10:10:17,158 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:17,159 INFO L158 Benchmark]: Toolchain (without parser) took 9257.14ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 68.0MB in the end (delta: 75.8MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,160 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:17,160 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 174.1MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:17,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.65ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 130.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,161 INFO L158 Benchmark]: Boogie Preprocessor took 55.54ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,162 INFO L158 Benchmark]: RCFGBuilder took 459.41ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 112.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,162 INFO L158 Benchmark]: Referee took 8441.14ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 68.0MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,165 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 __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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.30ms. Allocated memory is still 174.1MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.65ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 130.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.54ms. Allocated memory is still 174.1MB. Free memory was 130.2MB in the beginning and 128.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.41ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 112.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8441.14ms. Allocated memory is still 174.1MB. Free memory was 112.1MB in the beginning and 68.0MB in the end (delta: 44.0MB). 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 10:10:17,195 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 10:10:19,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:19,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:19,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:19,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:19,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:19,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:19,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:19,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:19,635 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:19,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:19,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:19,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:19,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:19,637 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:19,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:19,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:19,638 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:19,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:19,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:19,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:19,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:19,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:19,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:19,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:19,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:19,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:19,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:19,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:19,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:19,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:19,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:19,646 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:19,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:19,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:19,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:19,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:19,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:19,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:19,647 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:19,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:19,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:19,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:19,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:19,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:19,650 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:19,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:19,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:19,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:20,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:20,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:20,005 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:20,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 10:10:21,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:21,739 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:21,740 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 10:10:21,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/252acdc8e/86844a69ff75401da5ce3f9781f7f9ff/FLAG6e735a77e [2024-09-13 10:10:22,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/252acdc8e/86844a69ff75401da5ce3f9781f7f9ff [2024-09-13 10:10:22,109 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:22,110 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:22,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-13 10:10:22,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:22,163 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:22,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:22,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:22,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:22,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:22" (1/2) ... [2024-09-13 10:10:22,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299f7e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:22, skipping insertion in model container [2024-09-13 10:10:22,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:22" (1/2) ... [2024-09-13 10:10:22,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53c32bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:22, skipping insertion in model container [2024-09-13 10:10:22,178 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 10:10:22" (2/2) ... [2024-09-13 10:10:22,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299f7e65 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:22, skipping insertion in model container [2024-09-13 10:10:22,179 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 10:10:22" (2/2) ... [2024-09-13 10:10:22,188 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:22,190 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 10:10:22,190 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:22,190 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:22,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:22,400 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_valuebound2.c[537,550] [2024-09-13 10:10:22,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:22,439 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:22,482 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_valuebound2.c[537,550] Start Parsing Local [2024-09-13 10:10:22,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:22,519 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:22,520 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:22 WrapperNode [2024-09-13 10:10:22,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:22,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:22,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:22,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:22,535 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,536 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,545 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,561 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 10:10:22,561 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,561 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,574 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,578 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,579 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,581 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:22,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:22,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:22,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:22,589 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 10:10:22" (1/1) ... [2024-09-13 10:10:22,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:22,622 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 10:10:22,629 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:22,758 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:22,762 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:23,160 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:23,178 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:23,234 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:23,235 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:23,235 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:23 BoogieIcfgContainer [2024-09-13 10:10:23,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:23,236 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:23,236 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:23,237 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:23,238 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:22" (1/4) ... [2024-09-13 10:10:23,238 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fed103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,238 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 10:10:22" (2/4) ... [2024-09-13 10:10:23,239 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fed103d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,239 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 10:10:22" (3/4) ... [2024-09-13 10:10:23,239 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fed103d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,239 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 10:10:23" (4/4) ... [2024-09-13 10:10:23,241 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-13 10:10:23,245 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:23,246 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 10:10:23,246 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 10:10:23,246 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 10:10:23,247 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 10:10:23,247 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 10:10:23,247 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 10:10:23,248 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 10:10:23,248 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:10:23,305 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:23,306 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,323 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:23,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,327 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,328 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,354 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:23,380 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:23,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,395 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:23,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,398 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:23,425 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:23,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,429 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,437 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:23,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,496 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:23,529 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:23,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,535 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:23,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,544 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:23,568 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:23,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,571 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:23,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,572 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,572 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,574 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:23,596 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:23,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,608 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:23,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,609 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,609 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,621 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:23,634 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:23,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,635 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,635 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,659 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:23,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,660 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,660 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:27,706 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:27,723 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:27,725 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fed103d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:27, skipping insertion in model container [2024-09-13 10:10:27,725 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:27,727 INFO L158 Benchmark]: Toolchain (without parser) took 5563.57ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 35.6MB in the beginning and 34.6MB in the end (delta: 1.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,728 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:27,728 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:27,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.57ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 39.0MB in the end (delta: -3.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,732 INFO L158 Benchmark]: Boogie Preprocessor took 65.64ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 36.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,733 INFO L158 Benchmark]: RCFGBuilder took 647.96ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 52.9MB in the end (delta: -16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,734 INFO L158 Benchmark]: Referee took 4489.22ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 34.6MB in the end (delta: 18.3MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,737 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 __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 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.57ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 39.0MB in the end (delta: -3.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.64ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 36.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.96ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 52.9MB in the end (delta: -16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4489.22ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 34.6MB in the end (delta: 18.3MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:27,778 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...