This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:16,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:16,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:16,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:16,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:16,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:16,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:16,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:16,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:16,883 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:16,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:16,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:16,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:16,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:16,886 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:16,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:16,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:16,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:16,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:16,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:16,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:16,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:16,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:16,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:16,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:16,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:16,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:16,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:16,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:16,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:16,895 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:16,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:16,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:16,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:16,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:16,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:16,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:16,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:16,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:16,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:16,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:16,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:16,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:16,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:17,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:17,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:17,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:17,169 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:17,169 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:17,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-13 05:09:17,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:17,229 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:17,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 05:09:18,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:18,803 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:18,804 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 05:09:18,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/53116a583/248d643982304654bf1ef1ee77f8b6f0/FLAG84415573a [2024-09-13 05:09:19,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/53116a583/248d643982304654bf1ef1ee77f8b6f0 [2024-09-13 05:09:19,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:19,219 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:19,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:19,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:19,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:19,226 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 05:09:17" (1/2) ... [2024-09-13 05:09:19,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afae474 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:19, skipping insertion in model container [2024-09-13 05:09:19,227 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 05:09:17" (1/2) ... [2024-09-13 05:09:19,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5012a6f4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:19, skipping insertion in model container [2024-09-13 05:09:19,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:19" (2/2) ... [2024-09-13 05:09:19,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afae474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19, skipping insertion in model container [2024-09-13 05:09:19,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:19" (2/2) ... [2024-09-13 05:09:19,236 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:19,237 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 05:09:19,237 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:19,237 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:19,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:19,420 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_valuebound50.c[537,550] [2024-09-13 05:09:19,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:19,452 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:19,487 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_valuebound50.c[537,550] Start Parsing Local [2024-09-13 05:09:19,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:19,514 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:19,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19 WrapperNode [2024-09-13 05:09:19,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:19,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:19,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:19,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:19,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,560 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 05:09:19,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:19,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:19,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:19,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:19,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:19,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:19,618 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 05:09:19,623 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 05:09:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:19,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:09:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:19,743 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:19,745 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:20,011 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:20,033 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:20,056 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:20,056 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:20,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:20 BoogieIcfgContainer [2024-09-13 05:09:20,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:20,057 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:20,058 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:20,061 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:20,061 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 05:09:17" (1/4) ... [2024-09-13 05:09:20,061 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@768e1ae4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,061 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:19" (2/4) ... [2024-09-13 05:09:20,062 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@768e1ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,062 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (3/4) ... [2024-09-13 05:09:20,062 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@768e1ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,062 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:20" (4/4) ... [2024-09-13 05:09:20,063 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-13 05:09:20,067 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:20,068 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 05:09:20,068 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 05:09:20,068 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 05:09:20,068 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 05:09:20,069 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 05:09:20,069 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 05:09:20,069 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 05:09:20,069 INFO L130 InvariantChecker]: Will check 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 05:09:20,128 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:20,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,130 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,148 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:20,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,171 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:20,198 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:20,199 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,235 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:20,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,242 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:20,273 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:20,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,273 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,284 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:20,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:24,292 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:24,315 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:24,316 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:24,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:24,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:24,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:24,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,320 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:24,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:24,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:24,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:24,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:24,324 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:24,338 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:24,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:24,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:24,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:24,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:24,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,342 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:24,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,342 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:24,342 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:24,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:24,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:24,349 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:24,364 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:24,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:24,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:24,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:24,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:24,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,381 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:24,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,382 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:24,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:24,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:24,383 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:24,386 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:24,403 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:24,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:24,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:24,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:24,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:24,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,438 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:24,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:24,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:24,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:24,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:24,473 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:28,493 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:28,499 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:28,499 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@768e1ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:28, skipping insertion in model container [2024-09-13 05:09:28,499 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:28,501 INFO L158 Benchmark]: Toolchain (without parser) took 9280.89ms. Allocated memory is still 169.9MB. Free memory was 108.6MB in the beginning and 138.0MB in the end (delta: -29.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:28,501 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:28,501 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:28,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.00ms. Allocated memory is still 169.9MB. Free memory was 108.2MB in the beginning and 136.0MB in the end (delta: -27.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:09:28,503 INFO L158 Benchmark]: Boogie Preprocessor took 65.06ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 133.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:09:28,504 INFO L158 Benchmark]: RCFGBuilder took 475.47ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 117.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:28,504 INFO L158 Benchmark]: Referee took 8441.75ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 138.0MB in the end (delta: -20.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-09-13 05:09:28,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.00ms. Allocated memory is still 169.9MB. Free memory was 108.2MB in the beginning and 136.0MB in the end (delta: -27.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.06ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 133.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 475.47ms. Allocated memory is still 169.9MB. Free memory was 133.1MB in the beginning and 117.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8441.75ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 138.0MB in the end (delta: -20.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:28,531 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:30,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:30,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:09:30,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:30,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:30,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:30,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:30,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:30,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:30,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:30,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:30,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:30,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:30,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:30,761 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:30,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:30,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:30,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:30,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:30,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:30,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:30,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:30,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:30,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:09:30,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:09:30,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:30,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:09:30,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:30,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:30,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:30,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:30,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:30,767 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:30,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:30,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:30,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:30,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:30,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:30,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:30,769 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:09:30,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:09:30,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:30,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:30,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:30,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:30,771 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:09:30,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:31,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:31,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:31,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:31,120 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:31,121 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:31,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-13 05:09:31,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:31,182 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:31,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 05:09:32,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:32,877 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:32,877 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 05:09:32,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/795aa84c0/a369bf04171347ac9015dc29cfa8886d/FLAG4491cc9e3 [2024-09-13 05:09:32,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/795aa84c0/a369bf04171347ac9015dc29cfa8886d [2024-09-13 05:09:32,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:32,904 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:32,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:32,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:32,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:32,913 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 05:09:31" (1/2) ... [2024-09-13 05:09:32,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449fa20d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:32, skipping insertion in model container [2024-09-13 05:09:32,916 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 05:09:31" (1/2) ... [2024-09-13 05:09:32,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22ff9e4f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:32, skipping insertion in model container [2024-09-13 05:09:32,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:32" (2/2) ... [2024-09-13 05:09:32,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449fa20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:32, skipping insertion in model container [2024-09-13 05:09:32,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:32" (2/2) ... [2024-09-13 05:09:32,930 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:32,931 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 05:09:32,931 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:32,931 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:32,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:33,125 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_valuebound50.c[537,550] [2024-09-13 05:09:33,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:33,168 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:33,212 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_valuebound50.c[537,550] Start Parsing Local [2024-09-13 05:09:33,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:33,249 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:33,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33 WrapperNode [2024-09-13 05:09:33,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:33,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:33,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:33,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:33,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,284 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 05:09:33,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:33,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:33,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:33,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:33,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (1/1) ... [2024-09-13 05:09:33,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:33,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:33,345 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 05:09:33,352 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 05:09:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:33,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:33,452 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:33,455 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:33,854 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:33,872 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:33,914 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:33,915 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:33,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:33 BoogieIcfgContainer [2024-09-13 05:09:33,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:33,916 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:33,917 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:33,918 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:33,918 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 05:09:31" (1/4) ... [2024-09-13 05:09:33,918 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bc964a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:33, skipping insertion in model container [2024-09-13 05:09:33,918 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:32" (2/4) ... [2024-09-13 05:09:33,919 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bc964a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:33, skipping insertion in model container [2024-09-13 05:09:33,919 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:33" (3/4) ... [2024-09-13 05:09:33,919 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bc964a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:33, skipping insertion in model container [2024-09-13 05:09:33,919 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:33" (4/4) ... [2024-09-13 05:09:33,920 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-13 05:09:33,924 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:33,925 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 05:09:33,925 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 05:09:33,925 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 05:09:33,925 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 05:09:33,925 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 05:09:33,926 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 05:09:33,926 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 05:09:33,926 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 procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:09:33,971 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:33,972 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:33,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:33,973 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:33,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:33,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:33,987 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:33,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:33,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:33,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:33,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:33,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,010 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:34,048 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:34,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:34,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:34,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:34,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:34,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,076 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:34,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:34,078 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:34,078 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:34,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,080 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:34,124 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:34,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:34,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:34,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:34,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:34,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,131 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:34,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:34,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:34,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:34,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,187 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:34,215 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:34,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:34,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:34,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:34,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:34,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,218 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:34,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:34,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:34,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:34,219 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,220 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:34,234 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:34,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:34,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:34,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:34,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:34,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,236 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:34,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:34,237 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:34,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:34,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,238 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:34,253 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:34,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:34,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:34,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:34,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:34,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,274 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:34,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:34,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:34,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:34,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,286 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:34,302 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:34,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:34,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:34,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:34,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:34,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,331 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:34,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:34,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:34,331 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:34,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:34,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:38,383 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:38,477 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:38,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bc964a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:38, skipping insertion in model container [2024-09-13 05:09:38,477 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:38,479 INFO L158 Benchmark]: Toolchain (without parser) took 5574.45ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 61.9MB in the end (delta: -21.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-13 05:09:38,480 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:38,481 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 39.9MB in the beginning and 39.9MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:38,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.76ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 43.8MB in the end (delta: -3.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-13 05:09:38,482 INFO L158 Benchmark]: Boogie Preprocessor took 61.04ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:38,483 INFO L158 Benchmark]: RCFGBuilder took 603.43ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 44.9MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:09:38,484 INFO L158 Benchmark]: Referee took 4561.08ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 62.4MB in the end (delta: -17.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:38,489 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 loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from 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 56.6MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 39.9MB in the beginning and 39.9MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.76ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 43.8MB in the end (delta: -3.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.04ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.43ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 44.9MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 4561.08ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 62.4MB in the end (delta: -17.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:38,527 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...