This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:56,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:56,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:56,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:56,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:56,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:56,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:56,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:56,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:56,688 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:56,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:56,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:56,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:56,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:56,690 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:56,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:56,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:56,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:56,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:56,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:56,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:56,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:56,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:56,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:56,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:56,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:56,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:56,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:56,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:56,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:56,697 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:56,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:56,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:56,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:56,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:56,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:56,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:56,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:56,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:56,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:56,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:56,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:56,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:56,701 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:56,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:56,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:56,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:56,929 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:56,933 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:56,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-25 00:29:57,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:57,002 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:57,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 00:29:58,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:58,352 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:58,353 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 00:29:58,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/98c9d3c6c/338f9cc18e694acbb1b8e9008f5f3ee4/FLAG8b197d26e [2024-09-25 00:29:58,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/98c9d3c6c/338f9cc18e694acbb1b8e9008f5f3ee4 [2024-09-25 00:29:58,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:58,765 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:58,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:58,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:58,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:58,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:57" (1/2) ... [2024-09-25 00:29:58,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10230e5c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:58, skipping insertion in model container [2024-09-25 00:29:58,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:57" (1/2) ... [2024-09-25 00:29:58,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@420ba8cc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:58, skipping insertion in model container [2024-09-25 00:29:58,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:58" (2/2) ... [2024-09-25 00:29:58,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10230e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:58, skipping insertion in model container [2024-09-25 00:29:58,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:58" (2/2) ... [2024-09-25 00:29:58,780 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:58,781 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 00:29:58,781 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:58,781 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:29:58,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:58,937 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-09-25 00:29:58,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:58,957 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:58,989 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] Start Parsing Local [2024-09-25 00:29:59,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:59,016 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:59,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59 WrapperNode [2024-09-25 00:29:59,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:59,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:59,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:59,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:59,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,038 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:29:59,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:59,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:59,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:59,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:59,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (1/1) ... [2024-09-25 00:29:59,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:59,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:59,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:29:59,071 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:29:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:59,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:59,103 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:59,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:59,154 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:59,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:59,341 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:59,352 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:59,368 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:59,368 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:59,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:59 BoogieIcfgContainer [2024-09-25 00:29:59,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:59,369 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:59,370 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:59,370 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:59,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:57" (1/4) ... [2024-09-25 00:29:59,371 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bfebe84 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,371 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:58" (2/4) ... [2024-09-25 00:29:59,371 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bfebe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,371 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:59" (3/4) ... [2024-09-25 00:29:59,371 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bfebe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,371 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:59" (4/4) ... [2024-09-25 00:29:59,372 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-25 00:29:59,375 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:59,375 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:59,375 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:59,376 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:59,376 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:59,376 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:59,376 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:29:59,376 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:59,376 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:29:59,407 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:59,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,417 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:59,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,436 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:59,456 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:59,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,473 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:59,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,479 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:59,496 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:59,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,496 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,497 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,500 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:59,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:03,507 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:03,520 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:03,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:03,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:03,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:03,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:03,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,524 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:03,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:03,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:03,527 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:03,527 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:03,530 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:03,539 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:03,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:03,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:03,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:03,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:03,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,541 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:03,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,542 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:03,542 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:03,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:03,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:03,544 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:03,555 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:03,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:03,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:03,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:03,555 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:03,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,567 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:03,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:03,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:03,569 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:03,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:03,572 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:03,581 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:03,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:03,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:03,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:03,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:03,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,601 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:03,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:03,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:03,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:03,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:03,607 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:07,612 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:07,622 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:07,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bfebe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,622 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:07,624 INFO L158 Benchmark]: Toolchain (without parser) took 8858.26ms. Allocated memory is still 153.1MB. Free memory was 78.2MB in the beginning and 54.7MB in the end (delta: 23.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-09-25 00:30:07,624 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 153.1MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:07,624 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:07,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.11ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 118.0MB in the end (delta: -40.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:07,625 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 153.1MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:07,625 INFO L158 Benchmark]: RCFGBuilder took 320.57ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 98.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:07,626 INFO L158 Benchmark]: Referee took 8252.84ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 54.7MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:07,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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 0.10ms. Allocated memory is still 153.1MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.11ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 118.0MB in the end (delta: -40.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 153.1MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.57ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 98.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8252.84ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 54.7MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:07,652 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:09,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:09,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:09,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:09,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:09,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:09,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:09,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:09,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:09,494 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:09,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:09,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:09,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:09,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:09,495 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:09,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:09,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:09,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:09,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:09,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:09,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:09,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:09,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:09,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:09,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:09,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:09,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:09,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:09,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:09,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:09,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:09,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:09,499 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:09,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:09,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:09,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:09,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:09,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:09,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:09,501 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:09,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:09,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:09,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:09,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:09,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:09,502 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:09,502 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:09,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:09,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:09,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:09,761 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:09,762 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:09,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-25 00:30:09,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:09,805 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:09,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 00:30:11,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:11,299 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:11,300 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-25 00:30:11,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7359de42b/40ead0eb60754d14bac4171611a02d8b/FLAGe890a77bf [2024-09-25 00:30:11,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7359de42b/40ead0eb60754d14bac4171611a02d8b [2024-09-25 00:30:11,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:11,323 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:11,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:11,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:11,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:11,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:09" (1/2) ... [2024-09-25 00:30:11,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75525552 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:11, skipping insertion in model container [2024-09-25 00:30:11,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:09" (1/2) ... [2024-09-25 00:30:11,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d03c302 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:11, skipping insertion in model container [2024-09-25 00:30:11,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:11" (2/2) ... [2024-09-25 00:30:11,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75525552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11, skipping insertion in model container [2024-09-25 00:30:11,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:11" (2/2) ... [2024-09-25 00:30:11,336 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:11,336 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 00:30:11,336 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:30:11,336 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:11,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:11,472 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-09-25 00:30:11,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:11,508 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:11,538 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] Start Parsing Local [2024-09-25 00:30:11,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:11,562 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:11,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11 WrapperNode [2024-09-25 00:30:11,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:11,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:11,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:11,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:11,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,597 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:11,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:11,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:11,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:11,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:11,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (1/1) ... [2024-09-25 00:30:11,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:11,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:30:11,651 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:30:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:11,762 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:11,764 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:12,176 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:12,195 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:12,214 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:12,214 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:12,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:12 BoogieIcfgContainer [2024-09-25 00:30:12,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:12,215 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:12,215 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:12,216 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:12,216 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:09" (1/4) ... [2024-09-25 00:30:12,216 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f4c8b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:12, skipping insertion in model container [2024-09-25 00:30:12,216 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:11" (2/4) ... [2024-09-25 00:30:12,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f4c8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:12, skipping insertion in model container [2024-09-25 00:30:12,217 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:11" (3/4) ... [2024-09-25 00:30:12,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f4c8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:12, skipping insertion in model container [2024-09-25 00:30:12,217 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:12" (4/4) ... [2024-09-25 00:30:12,220 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-25 00:30:12,223 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:12,224 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:12,224 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:12,224 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:12,224 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:12,224 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:12,224 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:30:12,225 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:12,225 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:30:12,261 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:12,262 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,262 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,279 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:12,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,281 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,287 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,300 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:12,333 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:12,337 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,337 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,337 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,356 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:12,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:12,359 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:12,379 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:12,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:12,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:12,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:12,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:12,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,386 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:12,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:12,386 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:12,386 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:12,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:12,387 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:16,424 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:16,450 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:16,450 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:16,450 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:16,450 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:16,450 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:16,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,456 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:16,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,457 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:16,457 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:16,457 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:16,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:16,458 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:16,468 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:16,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:16,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:16,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:16,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:16,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,470 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:16,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:16,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:16,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:16,471 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:16,472 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:16,481 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:16,481 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:16,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:16,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:16,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:16,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,493 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:16,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:16,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:16,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:16,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:16,512 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:16,532 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:16,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:16,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:16,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:16,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:16,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,549 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:16,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:16,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:16,550 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:16,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:16,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:20,641 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:20,674 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:20,674 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f4c8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:20, skipping insertion in model container [2024-09-25 00:30:20,674 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:20,676 INFO L158 Benchmark]: Toolchain (without parser) took 9352.15ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 79.0MB in the end (delta: 4.1MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-09-25 00:30:20,676 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 53.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:20,676 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 71.3MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:20,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.46ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 68.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:20,677 INFO L158 Benchmark]: Boogie Preprocessor took 53.00ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 66.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:20,677 INFO L158 Benchmark]: RCFGBuilder took 597.48ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 77.7MB in the end (delta: -11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:20,678 INFO L158 Benchmark]: Referee took 8459.16ms. Allocated memory is still 109.1MB. Free memory was 77.7MB in the beginning and 79.0MB in the end (delta: -1.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:20,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure 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 entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 53.8MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 71.3MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.46ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 68.8MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.00ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 66.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.48ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 77.7MB in the end (delta: -11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8459.16ms. Allocated memory is still 109.1MB. Free memory was 77.7MB in the beginning and 79.0MB in the end (delta: -1.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:20,721 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...