./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:14,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:14,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:14,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:14,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:14,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:14,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:14,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:14,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:14,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:14,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:14,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:14,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:14,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:14,460 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:14,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:14,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:14,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:14,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:14,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:14,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:14,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:14,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:14,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:14,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:14,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:14,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:14,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:14,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:14,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:14,469 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:14,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:14,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:14,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:14,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:14,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:14,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:14,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:14,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:14,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:14,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:14,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:14,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:14,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:14,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:14,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:14,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:14,742 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:14,743 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:14,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-20 13:28:14,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:14,821 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:14,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 13:28:16,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:16,480 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:16,485 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 13:28:16,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3627f1b28/8022fa6f2f804541bd49f9a742ac89e5/FLAG3fd2ca0f2 [2024-09-20 13:28:16,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3627f1b28/8022fa6f2f804541bd49f9a742ac89e5 [2024-09-20 13:28:16,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:16,511 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:16,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:16,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:16,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:16,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:14" (1/2) ... [2024-09-20 13:28:16,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6245521f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:16, skipping insertion in model container [2024-09-20 13:28:16,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:14" (1/2) ... [2024-09-20 13:28:16,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@350567f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:16, skipping insertion in model container [2024-09-20 13:28:16,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:16" (2/2) ... [2024-09-20 13:28:16,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6245521f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16, skipping insertion in model container [2024-09-20 13:28:16,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:16" (2/2) ... [2024-09-20 13:28:16,532 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:16,533 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)) [2024-09-20 13:28:16,533 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:16,533 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:16,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:16,703 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_valuebound100.c[537,550] [2024-09-20 13:28:16,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:16,736 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:16,776 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_valuebound100.c[537,550] Start Parsing Local [2024-09-20 13:28:16,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:16,801 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:16,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16 WrapperNode [2024-09-20 13:28:16,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:16,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:16,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:16,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:16,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,850 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 [2024-09-20 13:28:16,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:16,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:16,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:16,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:16,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (1/1) ... [2024-09-20 13:28:16,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:16,925 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) [2024-09-20 13:28:16,929 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 [2024-09-20 13:28:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:17,101 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:17,106 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:17,443 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:17,469 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:17,503 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:17,504 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:17,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:17 BoogieIcfgContainer [2024-09-20 13:28:17,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:17,505 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:17,505 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:17,506 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:17,506 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:14" (1/4) ... [2024-09-20 13:28:17,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8e46ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:17, skipping insertion in model container [2024-09-20 13:28:17,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:16" (2/4) ... [2024-09-20 13:28:17,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8e46ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:17, skipping insertion in model container [2024-09-20 13:28:17,508 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:16" (3/4) ... [2024-09-20 13:28:17,508 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8e46ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:17, skipping insertion in model container [2024-09-20 13:28:17,508 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:17" (4/4) ... [2024-09-20 13:28:17,510 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-20 13:28:17,515 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:17,516 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:17,516 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:17,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:17,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:17,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:17,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:17,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:17,518 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:17,583 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:17,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,599 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:17,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,620 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:17,651 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:17,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,682 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:17,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,689 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,692 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:17,717 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:17,717 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,717 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,734 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:17,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:21,741 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:21,761 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:21,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:21,762 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:21,762 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:21,762 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:21,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,765 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:21,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:21,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:21,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:21,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:21,769 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:21,788 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:21,789 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:21,789 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:21,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:21,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:21,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,793 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:21,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,794 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:21,794 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:21,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:21,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:21,799 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:21,817 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:21,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:21,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:21,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:21,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:21,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,831 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:21,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:21,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:21,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:21,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:21,839 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:21,852 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:21,852 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:21,852 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:21,852 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:21,852 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:21,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,879 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:21,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:21,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:21,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:21,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:21,888 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:25,892 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:25,899 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:25,899 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8e46ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:25, skipping insertion in model container [2024-09-20 13:28:25,899 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:25,901 INFO L158 Benchmark]: Toolchain (without parser) took 9389.52ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 80.9MB in the beginning and 109.1MB in the end (delta: -28.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:25,901 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:25,902 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:25,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.55ms. Allocated memory is still 155.2MB. Free memory was 80.7MB in the beginning and 66.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:25,903 INFO L158 Benchmark]: Boogie Preprocessor took 70.60ms. Allocated memory is still 155.2MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:25,904 INFO L158 Benchmark]: RCFGBuilder took 628.00ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 64.7MB in the beginning and 153.2MB in the end (delta: -88.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:25,904 INFO L158 Benchmark]: Referee took 8394.12ms. Allocated memory is still 195.0MB. Free memory was 153.2MB in the beginning and 109.1MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:25,907 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 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. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.55ms. Allocated memory is still 155.2MB. Free memory was 80.7MB in the beginning and 66.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.60ms. Allocated memory is still 155.2MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.00ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 64.7MB in the beginning and 153.2MB in the end (delta: -88.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Referee took 8394.12ms. Allocated memory is still 195.0MB. Free memory was 153.2MB in the beginning and 109.1MB 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. [2024-09-20 13:28:25,938 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:28,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:28,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:28,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:28,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:28,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:28,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:28,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:28,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:28,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:28,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:28,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:28,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:28,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:28,182 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:28,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:28,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:28,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:28,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:28,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:28,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:28,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:28,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:28,190 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:28,191 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:28,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:28,191 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:28,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:28,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:28,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:28,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:28,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:28,201 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:28,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:28,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:28,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:28,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:28,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:28,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:28,203 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:28,203 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:28,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:28,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:28,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:28,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:28,204 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:28,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:28,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:28,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:28,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:28,531 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:28,531 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:28,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-20 13:28:28,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:28,591 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:28,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 13:28:30,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:30,272 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:30,274 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 13:28:30,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8db98e446/0ca90ca52e9b428d833c74eea926ec38/FLAGb43fb5143 [2024-09-20 13:28:30,298 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8db98e446/0ca90ca52e9b428d833c74eea926ec38 [2024-09-20 13:28:30,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:30,300 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:30,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:30,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:30,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:30,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:28" (1/2) ... [2024-09-20 13:28:30,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7d21cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:30, skipping insertion in model container [2024-09-20 13:28:30,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:28" (1/2) ... [2024-09-20 13:28:30,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e83a92d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:30, skipping insertion in model container [2024-09-20 13:28:30,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:30" (2/2) ... [2024-09-20 13:28:30,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7d21cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30, skipping insertion in model container [2024-09-20 13:28:30,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:30" (2/2) ... [2024-09-20 13:28:30,327 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:30,328 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)) [2024-09-20 13:28:30,328 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:30,328 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:30,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:30,509 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_valuebound100.c[537,550] [2024-09-20 13:28:30,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:30,551 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:30,590 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_valuebound100.c[537,550] Start Parsing Local [2024-09-20 13:28:30,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:30,625 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:30,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30 WrapperNode [2024-09-20 13:28:30,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:30,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:30,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:30,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:30,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,665 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 [2024-09-20 13:28:30,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:30,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:30,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:30,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:30,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (1/1) ... [2024-09-20 13:28:30,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:30,721 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) [2024-09-20 13:28:30,723 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 [2024-09-20 13:28:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:30,841 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:30,845 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:31,440 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:31,459 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:31,505 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:31,506 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:31,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:31 BoogieIcfgContainer [2024-09-20 13:28:31,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:31,508 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:31,508 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:31,509 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:31,509 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:28" (1/4) ... [2024-09-20 13:28:31,509 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116e1f11 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:31, skipping insertion in model container [2024-09-20 13:28:31,511 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:30" (2/4) ... [2024-09-20 13:28:31,511 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116e1f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:31, skipping insertion in model container [2024-09-20 13:28:31,511 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:30" (3/4) ... [2024-09-20 13:28:31,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116e1f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:31, skipping insertion in model container [2024-09-20 13:28:31,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:31" (4/4) ... [2024-09-20 13:28:31,513 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-20 13:28:31,517 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:31,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:31,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:31,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:31,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:31,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:31,520 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:31,520 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:31,520 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:28:31,581 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:31,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,602 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:31,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,604 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,613 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,632 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:31,666 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:31,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,693 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:31,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,694 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,695 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,696 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:31,732 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:31,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,739 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:31,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,797 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:35,826 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:35,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,833 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:35,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,838 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,841 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:35,863 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:35,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,866 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:35,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,868 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:35,879 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:35,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:35,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:35,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:35,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:35,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,892 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:35,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:35,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:35,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:35,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:35,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,359 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:37,379 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:37,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,380 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,380 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,393 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:37,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:41,507 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:41,535 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:41,535 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116e1f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:41, skipping insertion in model container [2024-09-20 13:28:41,536 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:41,537 INFO L158 Benchmark]: Toolchain (without parser) took 11236.17ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.3MB in the beginning and 41.7MB in the end (delta: -6.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,538 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 48.2MB. Free memory was 23.2MB in the beginning and 23.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:41,539 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:41,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.76ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 34.8MB in the end (delta: 394.8kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,540 INFO L158 Benchmark]: Boogie Preprocessor took 64.46ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 32.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,540 INFO L158 Benchmark]: RCFGBuilder took 815.29ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 32.4MB in the beginning and 44.5MB in the end (delta: -12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,541 INFO L158 Benchmark]: Referee took 10028.04ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 41.7MB in the end (delta: 2.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,546 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 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. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.24ms. Allocated memory is still 48.2MB. Free memory was 23.2MB in the beginning and 23.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.76ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 34.8MB in the end (delta: 394.8kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.46ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 32.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 815.29ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 32.4MB in the beginning and 44.5MB in the end (delta: -12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 10028.04ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 41.7MB in the end (delta: 2.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:41,592 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN