./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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 20:07:53,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:53,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:07:53,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:53,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:53,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:53,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:53,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:53,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:53,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:53,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:53,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:53,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:53,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:53,697 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:53,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:53,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:53,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:53,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:07:53,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:53,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:53,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:53,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:53,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:53,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:53,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:53,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:53,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:53,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:53,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:53,707 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:53,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:53,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:53,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:53,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:53,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:53,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:53,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:07:53,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:07:53,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:53,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:53,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:53,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:53,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:53,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:53,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:53,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:53,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:53,958 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:53,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-15 20:07:55,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:55,393 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:55,393 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-15 20:07:55,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/25084325c/f5589d0f7ebd4a3bbcc94d0d66cc1d0f/FLAG7f1b41023 [2024-09-15 20:07:55,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/25084325c/f5589d0f7ebd4a3bbcc94d0d66cc1d0f [2024-09-15 20:07:55,411 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:55,412 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:55,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-15 20:07:55,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:55,450 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:55,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:55,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:55,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:55,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:55" (1/2) ... [2024-09-15 20:07:55,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28457e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:55, skipping insertion in model container [2024-09-15 20:07:55,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:55" (1/2) ... [2024-09-15 20:07:55,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a9a5442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:55, skipping insertion in model container [2024-09-15 20:07:55,461 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 08:07:55" (2/2) ... [2024-09-15 20:07:55,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28457e2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:55, skipping insertion in model container [2024-09-15 20:07:55,462 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 08:07:55" (2/2) ... [2024-09-15 20:07:55,469 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:55,470 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-15 20:07:55,470 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:07:55,471 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-15 20:07:55,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:55,627 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_valuebound1.c[537,550] [2024-09-15 20:07:55,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:55,647 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:55,678 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_valuebound1.c[537,550] Start Parsing Local [2024-09-15 20:07:55,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:55,703 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:55,704 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:55 WrapperNode [2024-09-15 20:07:55,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:55,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:55,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:55,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:55,715 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,717 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,726 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,741 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 20:07:55,742 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,742 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,745 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,749 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,750 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,751 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:55,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:55,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:55,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:55,757 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 08:07:55" (1/1) ... [2024-09-15 20:07:55,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:55,782 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 20:07:55,784 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 20:07:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:07:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:07:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:07:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:55,881 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:55,885 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:56,077 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:56,104 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:56,129 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:56,129 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:07:56,130 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:56 BoogieIcfgContainer [2024-09-15 20:07:56,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:56,130 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:56,130 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:56,131 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:56,131 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:55" (1/4) ... [2024-09-15 20:07:56,131 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b418f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:56, skipping insertion in model container [2024-09-15 20:07:56,131 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 08:07:55" (2/4) ... [2024-09-15 20:07:56,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b418f85 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:56, skipping insertion in model container [2024-09-15 20:07:56,132 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 08:07:55" (3/4) ... [2024-09-15 20:07:56,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b418f85 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:56, skipping insertion in model container [2024-09-15 20:07:56,132 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 08:07:56" (4/4) ... [2024-09-15 20:07:56,133 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-15 20:07:56,135 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:07:56,136 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 20:07:56,136 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 20:07:56,136 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 20:07:56,136 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 20:07:56,136 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 20:07:56,137 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 20:07:56,137 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 20:07:56,137 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-15 20:07:56,188 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:56,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:56,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:56,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:56,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:56,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:56,199 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:56,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:56,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:56,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:56,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:56,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:56,215 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:56,236 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:56,236 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:56,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:56,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:56,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:56,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:56,253 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:56,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:56,253 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:56,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:56,254 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:56,254 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:56,255 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:56,282 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:56,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:56,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:56,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:56,282 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:56,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:56,287 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:56,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:56,287 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:56,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:56,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:56,288 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:00,297 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:00,314 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:00,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:00,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:00,318 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:00,318 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:00,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,320 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:00,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:00,323 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:00,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:00,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:00,328 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:00,336 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:00,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:00,337 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:00,337 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:00,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:00,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,338 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:00,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:00,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:00,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:00,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:00,340 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:00,357 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:00,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:00,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:00,357 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:00,357 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:00,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,373 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:00,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:00,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:00,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:00,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:00,379 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:00,387 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:00,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:00,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:00,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:00,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:00,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,403 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:00,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:00,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:00,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:00,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:00,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:00,413 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:00,416 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:00,417 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b418f85 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:00, skipping insertion in model container [2024-09-15 20:08:00,417 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:00,419 INFO L158 Benchmark]: Toolchain (without parser) took 4967.20ms. Allocated memory is still 178.3MB. Free memory was 104.9MB in the beginning and 84.6MB in the end (delta: 20.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-09-15 20:08:00,419 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:00,419 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:00,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.63ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 141.1MB in the end (delta: -36.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:08:00,420 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 178.3MB. Free memory was 141.1MB in the beginning and 139.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:00,420 INFO L158 Benchmark]: RCFGBuilder took 373.95ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 124.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:00,421 INFO L158 Benchmark]: Referee took 4286.44ms. Allocated memory is still 178.3MB. Free memory was 124.4MB in the beginning and 84.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:00,423 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.63ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 141.1MB in the end (delta: -36.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 178.3MB. Free memory was 141.1MB in the beginning and 139.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.95ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 124.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4286.44ms. Allocated memory is still 178.3MB. Free memory was 124.4MB in the beginning and 84.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:00,441 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_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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 20:08:02,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:02,232 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:02,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:02,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:02,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:02,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:02,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:02,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:02,266 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:02,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:02,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:02,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:02,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:02,267 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:02,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:02,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:02,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:02,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:02,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:02,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:02,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:02,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:02,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:02,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:02,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:02,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:02,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:02,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:02,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:02,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:02,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:02,272 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:02,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:02,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:02,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:02,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:02,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:02,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:02,274 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:02,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:02,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:02,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:02,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:02,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:02,275 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:02,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:02,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:02,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:02,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:02,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:02,524 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:02,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-15 20:08:03,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:03,906 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:03,907 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-15 20:08:03,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/182f7e566/b00b5f8e6ba84cf0bb7f372f2d5a0be9/FLAGf38464a35 [2024-09-15 20:08:03,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/182f7e566/b00b5f8e6ba84cf0bb7f372f2d5a0be9 [2024-09-15 20:08:03,927 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:03,927 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:03,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-15 20:08:03,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:03,975 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:03,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:03,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:03,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:03,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:03" (1/2) ... [2024-09-15 20:08:03,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f56e2de 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 20:08:03,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:03" (1/2) ... [2024-09-15 20:08:03,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23ae33b0 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 20:08:03,988 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 08:08:03" (2/2) ... [2024-09-15 20:08:03,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f56e2de 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 20:08:03,988 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 08:08:03" (2/2) ... [2024-09-15 20:08:03,994 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:03,995 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-15 20:08:03,995 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-15 20:08:03,995 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:04,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:04,145 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_valuebound1.c[537,550] [2024-09-15 20:08:04,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:04,176 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:04,209 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_valuebound1.c[537,550] Start Parsing Local [2024-09-15 20:08:04,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:04,233 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:04,234 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:04 WrapperNode [2024-09-15 20:08:04,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:04,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:04,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:04,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:04,246 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,246 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,256 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,264 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 20:08:04,265 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,265 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,274 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,277 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,278 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,279 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:04,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:04,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:04,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:04,284 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 08:08:04" (1/1) ... [2024-09-15 20:08:04,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:04,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:04,307 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 20:08:04,309 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 20:08:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:04,407 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:04,409 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:04,666 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:04,686 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:04,721 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:04,721 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:04,721 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:04 BoogieIcfgContainer [2024-09-15 20:08:04,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:04,722 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:04,723 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:04,724 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:04,724 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:03" (1/4) ... [2024-09-15 20:08:04,725 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6949af20 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 20:08:04,725 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 08:08:03" (2/4) ... [2024-09-15 20:08:04,725 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6949af20 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 20:08:04,726 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 08:08:04" (3/4) ... [2024-09-15 20:08:04,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6949af20 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 20:08:04,726 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 08:08:04" (4/4) ... [2024-09-15 20:08:04,727 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-15 20:08:04,729 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:04,730 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 20:08:04,730 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 20:08:04,730 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 20:08:04,730 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 20:08:04,731 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 20:08:04,731 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 20:08:04,731 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 20:08:04,731 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-15 20:08:04,777 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:04,778 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,779 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,779 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,791 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:04,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,806 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:04,822 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:04,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,834 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:04,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,836 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,837 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,843 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:04,859 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:04,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,864 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:04,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,869 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:04,886 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:04,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,889 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:04,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,889 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,891 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:04,901 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:04,901 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,904 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:04,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,905 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,905 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,907 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:04,917 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:04,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,925 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:04,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,928 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:04,938 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:04,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,938 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,955 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:04,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,975 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:04,981 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-15 20:08:04,982 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6949af20 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,982 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:04,983 INFO L158 Benchmark]: Toolchain (without parser) took 1007.74ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 42.3MB in the end (delta: 17.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-09-15 20:08:04,984 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:04,984 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 88.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:04,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.40ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 45.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:04,985 INFO L158 Benchmark]: Boogie Preprocessor took 48.11ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 66.4MB in the end (delta: -21.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:08:04,985 INFO L158 Benchmark]: RCFGBuilder took 437.73ms. Allocated memory is still 88.1MB. Free memory was 66.4MB in the beginning and 50.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:04,985 INFO L158 Benchmark]: Referee took 260.23ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 42.3MB in the end (delta: 8.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-09-15 20:08:04,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to 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 assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 88.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.40ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 45.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.11ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 66.4MB in the end (delta: -21.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 437.73ms. Allocated memory is still 88.1MB. Free memory was 66.4MB in the beginning and 50.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 260.23ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 42.3MB in the end (delta: 8.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-15 20:08:05,010 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: TRUE