./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 04d6fb36 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-04d6fb3-m [2024-09-15 20:08:01,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:01,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:08:01,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:01,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:01,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:01,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:01,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:01,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:01,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:01,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:01,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:01,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:01,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:01,629 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:01,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:01,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:01,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:01,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:08:01,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:01,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:01,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:01,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:01,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:01,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:01,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:01,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:01,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:01,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:01,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:01,636 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:01,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:01,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:01,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:01,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:01,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:01,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:01,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:08:01,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:08:01,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:01,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:01,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:01,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:01,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:01,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:01,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:01,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:01,943 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:01,944 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:01,945 INFO L431 ainManager$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 [2024-09-15 20:08:02,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:02,032 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:02,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-15 20:08:03,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:03,615 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:03,616 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-15 20:08:03,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7c2c2cd1c/e18f2345a55e44fe91f749ca7c77021c/FLAG2baa11fee [2024-09-15 20:08:03,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7c2c2cd1c/e18f2345a55e44fe91f749ca7c77021c [2024-09-15 20:08:03,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:03,637 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:03,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:03,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:03,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:03,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:02" (1/2) ... [2024-09-15 20:08:03,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1507129a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:03, skipping insertion in model container [2024-09-15 20:08:03,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:02" (1/2) ... [2024-09-15 20:08:03,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b06bb3f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:03, skipping insertion in model container [2024-09-15 20:08:03,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:03" (2/2) ... [2024-09-15 20:08:03,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1507129a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03, skipping insertion in model container [2024-09-15 20:08:03,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:03" (2/2) ... [2024-09-15 20:08:03,658 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:03,658 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)) [2024-09-15 20:08:03,659 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:03,662 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:03,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:03,826 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] [2024-09-15 20:08:03,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:03,855 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:03,904 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 [2024-09-15 20:08:03,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:03,941 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:03,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03 WrapperNode [2024-09-15 20:08:03,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:03,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:03,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:03,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:03,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:03,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:03,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:03,984 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 [2024-09-15 20:08:03,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:03,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:03,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:03,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:04,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:04,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:04,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:04,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:04,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:04,047 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) [2024-09-15 20:08:04,051 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 [2024-09-15 20:08:04,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:04,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:04,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:08:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:08:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:08:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:04,165 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:04,166 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:04,401 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:04,421 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:04,464 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:04,465 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:04,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:04 BoogieIcfgContainer [2024-09-15 20:08:04,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:04,467 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:04,468 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:04,469 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:04,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:02" (1/4) ... [2024-09-15 20:08:04,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336970d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:03" (2/4) ... [2024-09-15 20:08:04,471 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336970d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03" (3/4) ... [2024-09-15 20:08:04,472 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336970d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,472 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:04" (4/4) ... [2024-09-15 20:08:04,473 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-15 20:08:04,477 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:04,478 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:04,479 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:08:04,479 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:04,479 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:04,479 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:04,480 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:08:04,480 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:04,480 INFO L130 InvariantChecker]: Will check 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, 1 loop-free subgraphs from procedure entry to loop head [2024-09-15 20:08:04,549 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:04,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,568 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:04,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,600 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:04,636 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:04,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,665 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:04,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,666 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,667 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,677 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:04,696 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:04,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,707 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:04,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,709 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,715 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:08,729 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:08,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,733 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:08,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,733 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,733 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,736 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:08,749 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:08,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:08,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,752 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,761 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:08,780 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:08,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,807 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:08,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,808 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,808 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,808 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,812 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:08,822 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:08,823 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,823 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,823 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,823 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,846 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:08,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:12,858 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:12,864 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:12,865 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336970d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,865 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:12,867 INFO L158 Benchmark]: Toolchain (without parser) took 9228.95ms. Allocated memory is still 146.8MB. Free memory was 77.8MB in the beginning and 101.2MB in the end (delta: -23.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,867 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:12,867 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:12,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.73ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 111.5MB in the end (delta: -33.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,868 INFO L158 Benchmark]: Boogie Preprocessor took 63.09ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 109.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,869 INFO L158 Benchmark]: RCFGBuilder took 458.77ms. Allocated memory is still 146.8MB. Free memory was 109.4MB in the beginning and 92.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,869 INFO L158 Benchmark]: Referee took 8398.32ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 101.2MB in the end (delta: -9.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure 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 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 __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 0.23ms. Allocated memory is still 98.6MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.73ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 111.5MB in the end (delta: -33.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.09ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 109.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.77ms. Allocated memory is still 146.8MB. Free memory was 109.4MB in the beginning and 92.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8398.32ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 101.2MB in the end (delta: -9.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:12,898 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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-04d6fb3-m [2024-09-15 20:08:14,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:15,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:15,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:15,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:15,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:15,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:15,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:15,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:15,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:15,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:15,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:15,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:15,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:15,117 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:15,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:15,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:15,118 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:15,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:15,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:15,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:15,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:15,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:15,124 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:15,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:15,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:15,127 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:15,127 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:15,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:15,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:15,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:15,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:15,129 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:15,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:15,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:15,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:15,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:15,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:15,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:15,131 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:15,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:15,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:15,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:15,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:15,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:15,133 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:15,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:15,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:15,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:15,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:15,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:15,481 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:15,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-15 20:08:16,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:17,179 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:17,180 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-15 20:08:17,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e3b95dc5f/a38e87a302894a058e795672a3fc2764/FLAGea18dfe3b [2024-09-15 20:08:17,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e3b95dc5f/a38e87a302894a058e795672a3fc2764 [2024-09-15 20:08:17,552 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:17,553 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:17,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-15 20:08:17,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:17,612 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:17,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:17,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:17,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:17,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:17" (1/2) ... [2024-09-15 20:08:17,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515de020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:17, skipping insertion in model container [2024-09-15 20:08:17,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:17" (1/2) ... [2024-09-15 20:08:17,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c32f853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:17, skipping insertion in model container [2024-09-15 20:08:17,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:17" (2/2) ... [2024-09-15 20:08:17,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515de020 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17, skipping insertion in model container [2024-09-15 20:08:17,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:17" (2/2) ... [2024-09-15 20:08:17,633 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:17,633 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)) [2024-09-15 20:08:17,634 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:17,634 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:17,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:17,802 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] [2024-09-15 20:08:17,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:17,838 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:17,881 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 [2024-09-15 20:08:17,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:17,924 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:17,925 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17 WrapperNode [2024-09-15 20:08:17,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:17,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:17,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:17,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:17,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,958 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 [2024-09-15 20:08:17,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:17,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:17,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:17,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:17,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (1/1) ... [2024-09-15 20:08:17,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:17,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:18,011 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) [2024-09-15 20:08:18,014 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 [2024-09-15 20:08:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:18,144 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:18,147 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:18,621 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:18,642 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:18,675 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:18,675 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:18,675 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:18 BoogieIcfgContainer [2024-09-15 20:08:18,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:18,680 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:18,680 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:18,680 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:18,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:17" (1/4) ... [2024-09-15 20:08:18,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3131b2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:17" (2/4) ... [2024-09-15 20:08:18,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3131b2aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,682 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17" (3/4) ... [2024-09-15 20:08:18,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3131b2aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,682 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:18" (4/4) ... [2024-09-15 20:08:18,683 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-15 20:08:18,687 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:18,687 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:18,688 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:08:18,688 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:18,688 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:18,688 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:18,689 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:08:18,689 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:18,692 INFO L130 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 [2024-09-15 20:08:18,760 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:18,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,762 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,762 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,778 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:18,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,784 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,784 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,784 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,789 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,807 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:18,847 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:18,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,878 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:18,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,882 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:18,915 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:18,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,918 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,918 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,923 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:18,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:22,981 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:23,012 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:23,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,013 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,016 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:23,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,016 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,016 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,017 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,019 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:23,031 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:23,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,034 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:23,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,034 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,034 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,037 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:23,051 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:23,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,064 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:23,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,065 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:24,428 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:24,447 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:24,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:24,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:24,449 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:24,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:24,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,482 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:24,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:24,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:24,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:24,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:24,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:28,589 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:28,616 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:28,617 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3131b2aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:28, skipping insertion in model container [2024-09-15 20:08:28,617 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:28,619 INFO L158 Benchmark]: Toolchain (without parser) took 11006.32ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 38.8MB in the beginning and 51.4MB in the end (delta: -12.6MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,619 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:28,620 INFO L158 Benchmark]: Witness Parser took 0.54ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:28,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.41ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 41.9MB in the end (delta: -3.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,621 INFO L158 Benchmark]: Boogie Preprocessor took 55.77ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,622 INFO L158 Benchmark]: RCFGBuilder took 696.96ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 24.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,622 INFO L158 Benchmark]: Referee took 9937.28ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 24.4MB in the beginning and 51.4MB in the end (delta: -27.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:28,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure 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: * CDTParser took 0.30ms. Allocated memory is still 46.1MB. Free memory was 27.3MB in the beginning and 27.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.54ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.41ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 41.9MB in the end (delta: -3.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.77ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.96ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 24.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 9937.28ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 24.4MB in the beginning and 51.4MB in the end (delta: -27.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:28,676 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