This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:05,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:05,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:05,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:05,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:05,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:05,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:05,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:05,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:05,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:05,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:05,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:05,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:05,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:05,210 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:05,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:05,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:05,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:05,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:05,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:05,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:05,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:05,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:05,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:05,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:05,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:05,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:05,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:05,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:05,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:05,215 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:05,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:05,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:05,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:05,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:05,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:05,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:05,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:05,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:05,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:05,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:05,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:05,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:05,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:05,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:05,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:05,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:05,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:05,507 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:05,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-13 10:10:06,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:07,134 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:07,135 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-13 10:10:07,143 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9bc547c71/54503846928f496d81f1fcebe6984780/FLAG37d5a40aa [2024-09-13 10:10:07,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9bc547c71/54503846928f496d81f1fcebe6984780 [2024-09-13 10:10:07,162 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:07,163 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:07,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-13 10:10:07,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:07,216 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:07,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:07,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:07,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:07,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:07" (1/2) ... [2024-09-13 10:10:07,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6272c2e5 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 10:10:07,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:07" (1/2) ... [2024-09-13 10:10:07,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3834b1ff 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 10:10:07,228 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 10:10:07" (2/2) ... [2024-09-13 10:10:07,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6272c2e5 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 10:10:07,229 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 10:10:07" (2/2) ... [2024-09-13 10:10:07,237 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:07,237 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 10:10:07,237 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:07,238 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:07,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:07,419 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_valuebound100.c[537,550] [2024-09-13 10:10:07,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:07,462 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:07,505 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_valuebound100.c[537,550] Start Parsing Local [2024-09-13 10:10:07,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:07,544 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:07,545 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:07 WrapperNode [2024-09-13 10:10:07,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:07,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:07,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:07,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:07,560 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,560 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,570 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:07" (1/1) ... [2024-09-13 10:10:07,582 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 10:10:07,582 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,582 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,586 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,589 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,591 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,591 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:07,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:07,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:07,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:07,596 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 10:10:07" (1/1) ... [2024-09-13 10:10:07,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:07,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:07,640 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 10:10:07,643 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 10:10:07,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:07,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:07,751 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:07,753 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:07,982 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:07,998 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:08,033 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:08,034 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:08,034 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:08 BoogieIcfgContainer [2024-09-13 10:10:08,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:08,035 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:08,035 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:08,035 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:08,036 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:07" (1/4) ... [2024-09-13 10:10:08,036 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44af7791 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 10:10:08,036 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 10:10:07" (2/4) ... [2024-09-13 10:10:08,036 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44af7791 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 10:10:08,036 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 10:10:07" (3/4) ... [2024-09-13 10:10:08,037 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44af7791 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 10:10:08,037 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 10:10:08" (4/4) ... [2024-09-13 10:10:08,039 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-13 10:10:08,042 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:08,043 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 10:10:08,043 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 10:10:08,043 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 10:10:08,043 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 10:10:08,043 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 10:10:08,043 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 10:10:08,044 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 10:10:08,044 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:10:08,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:08,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:08,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:08,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:08,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:08,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,112 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:08,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,114 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,115 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,119 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:08,145 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:08,181 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:08,182 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:08,182 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:08,182 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:08,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:08,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,220 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:08,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:08,237 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:08,263 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:08,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:08,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:08,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:08,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:08,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,277 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:08,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,284 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:12,301 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:12,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,302 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,306 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:12,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,309 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:12,324 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:12,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,327 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:12,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,335 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:12,355 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:12,356 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,356 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,356 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,356 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,373 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:12,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,377 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:12,392 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:12,392 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:12,392 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:12,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:12,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:12,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,419 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:12,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:12,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:12,420 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:12,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:12,428 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,432 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:16,438 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:16,439 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44af7791 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,439 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:16,440 INFO L158 Benchmark]: Toolchain (without parser) took 9224.01ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 90.4MB in the beginning and 127.1MB in the end (delta: -36.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:16,441 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:16,441 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:16,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.51ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 76.5MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:16,442 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 163.6MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:16,443 INFO L158 Benchmark]: RCFGBuilder took 439.33ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 74.3MB in the beginning and 172.5MB in the end (delta: -98.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:16,445 INFO L158 Benchmark]: Referee took 8404.16ms. Allocated memory is still 213.9MB. Free memory was 172.5MB in the beginning and 127.1MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:16,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 163.6MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.51ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 76.5MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 163.6MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.33ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 74.3MB in the beginning and 172.5MB in the end (delta: -98.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Referee took 8404.16ms. Allocated memory is still 213.9MB. Free memory was 172.5MB in the beginning and 127.1MB in the end (delta: 45.5MB). 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 10:10:16,469 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 10:10:18,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:18,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:18,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:18,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:18,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:18,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:18,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:18,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:18,639 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:18,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:18,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:18,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:18,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:18,641 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:18,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:18,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:18,642 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:18,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:18,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:18,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:18,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:18,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:18,649 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:18,649 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:18,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:18,649 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:18,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:18,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:18,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:18,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:18,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:18,651 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:18,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:18,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:18,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:18,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:18,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:18,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:18,654 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:18,654 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:18,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:18,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:18,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:18,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:18,655 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:18,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:18,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:18,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:19,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:19,004 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:19,005 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:19,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-13 10:10:19,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:19,055 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:19,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-13 10:10:20,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:20,740 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:20,744 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-13 10:10:20,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5d0b53940/84de7f0f2cde489fa2e8ccb6043e1ca5/FLAG1f80b7bd3 [2024-09-13 10:10:21,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5d0b53940/84de7f0f2cde489fa2e8ccb6043e1ca5 [2024-09-13 10:10:21,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:21,122 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:21,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:21,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:21,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:21,138 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 10:10:19" (1/2) ... [2024-09-13 10:10:21,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65158c98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:21, skipping insertion in model container [2024-09-13 10:10:21,139 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 10:10:19" (1/2) ... [2024-09-13 10:10:21,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49ced8ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:21, skipping insertion in model container [2024-09-13 10:10:21,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:21" (2/2) ... [2024-09-13 10:10:21,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65158c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21, skipping insertion in model container [2024-09-13 10:10:21,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:21" (2/2) ... [2024-09-13 10:10:21,148 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:21,148 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 10:10:21,148 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:21,148 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:21,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:21,291 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_valuebound100.c[537,550] [2024-09-13 10:10:21,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:21,316 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:21,357 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_valuebound100.c[537,550] Start Parsing Local [2024-09-13 10:10:21,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:21,394 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:21,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21 WrapperNode [2024-09-13 10:10:21,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:21,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:21,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:21,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:21,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,441 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 10:10:21,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:21,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:21,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:21,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:21,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (1/1) ... [2024-09-13 10:10:21,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:21,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:21,498 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 10:10:21,500 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 10:10:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:21,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:21,638 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:21,641 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:22,086 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:22,101 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:22,138 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:22,138 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:22,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:22 BoogieIcfgContainer [2024-09-13 10:10:22,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:22,141 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:22,141 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:22,142 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:22,142 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 10:10:19" (1/4) ... [2024-09-13 10:10:22,142 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664da73e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:22, skipping insertion in model container [2024-09-13 10:10:22,142 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:21" (2/4) ... [2024-09-13 10:10:22,143 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664da73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:22, skipping insertion in model container [2024-09-13 10:10:22,143 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:21" (3/4) ... [2024-09-13 10:10:22,143 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664da73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:22, skipping insertion in model container [2024-09-13 10:10:22,143 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:22" (4/4) ... [2024-09-13 10:10:22,145 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-13 10:10:22,148 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:22,149 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 10:10:22,149 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 10:10:22,149 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 10:10:22,149 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 10:10:22,150 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 10:10:22,150 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 10:10:22,150 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 10:10:22,150 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:10:22,207 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:22,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,236 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:22,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,244 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,269 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:22,293 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:22,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,327 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:22,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,333 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:22,372 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:22,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,385 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:22,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,385 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,385 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,385 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,386 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,431 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:22,464 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:22,464 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,472 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:22,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,480 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:22,503 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:22,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,507 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:22,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,510 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:22,522 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:22,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,534 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:22,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,535 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,663 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:23,683 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:23,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:23,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:23,687 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:23,687 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:23,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,711 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:23,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:23,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:23,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:23,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:23,717 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:27,765 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:27,782 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:27,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664da73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:27, skipping insertion in model container [2024-09-13 10:10:27,783 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:27,785 INFO L158 Benchmark]: Toolchain (without parser) took 6661.74ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 26.8MB in the beginning and 52.0MB in the end (delta: -25.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,785 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 44.0MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:27,786 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 27.8MB in the beginning and 27.7MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:27,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.98ms. Allocated memory is still 62.9MB. Free memory was 26.6MB in the beginning and 30.0MB in the end (delta: -3.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,787 INFO L158 Benchmark]: Boogie Preprocessor took 72.18ms. Allocated memory is still 62.9MB. Free memory was 30.0MB in the beginning and 27.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,788 INFO L158 Benchmark]: RCFGBuilder took 671.29ms. Allocated memory is still 62.9MB. Free memory was 27.7MB in the beginning and 29.4MB in the end (delta: -1.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,789 INFO L158 Benchmark]: Referee took 5642.82ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.4MB in the beginning and 52.0MB in the end (delta: -22.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:27,791 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 main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 44.0MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 27.8MB in the beginning and 27.7MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.98ms. Allocated memory is still 62.9MB. Free memory was 26.6MB in the beginning and 30.0MB in the end (delta: -3.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.18ms. Allocated memory is still 62.9MB. Free memory was 30.0MB in the beginning and 27.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 671.29ms. Allocated memory is still 62.9MB. Free memory was 27.7MB in the beginning and 29.4MB in the end (delta: -1.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Referee took 5642.82ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.4MB in the beginning and 52.0MB in the end (delta: -22.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:27,826 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...