./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 27b49876 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-27b4987-m [2024-09-21 12:49:54,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:54,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:54,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:54,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:54,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:54,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:54,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:54,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:54,251 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:54,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:54,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:54,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:54,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:54,254 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:54,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:54,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:54,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:54,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:54,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:54,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:54,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:54,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:54,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:54,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:54,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:54,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:54,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:54,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:54,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:54,262 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:54,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:54,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:54,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:54,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:54,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:54,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:54,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:54,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:54,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:54,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:54,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:54,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:54,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:54,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:54,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:54,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:54,534 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:54,536 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:54,537 INFO L431 ainManager$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 [2024-09-21 12:49:54,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:54,592 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:54,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-21 12:49:56,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:56,253 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:56,253 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-21 12:49:56,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d5193820a/2311c18867474a7c9e41cb26c5408432/FLAG0457eebab [2024-09-21 12:49:56,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d5193820a/2311c18867474a7c9e41cb26c5408432 [2024-09-21 12:49:56,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:56,277 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:56,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:56,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:56,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:56,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:54" (1/2) ... [2024-09-21 12:49:56,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1132a28e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56, skipping insertion in model container [2024-09-21 12:49:56,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:54" (1/2) ... [2024-09-21 12:49:56,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2549227c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56, skipping insertion in model container [2024-09-21 12:49:56,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:56" (2/2) ... [2024-09-21 12:49:56,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1132a28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56, skipping insertion in model container [2024-09-21 12:49:56,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:56" (2/2) ... [2024-09-21 12:49:56,295 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:56,298 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-21 12:49:56,299 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:49:56,299 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond == 1), ensures (cond == 1) [2024-09-21 12:49:56,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:56,459 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] [2024-09-21 12:49:56,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:56,489 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:56,531 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 [2024-09-21 12:49:56,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:56,564 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:56,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56 WrapperNode [2024-09-21 12:49:56,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:56,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:56,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:56,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:56,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,598 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 [2024-09-21 12:49:56,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:56,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:56,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:56,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:56,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:56,640 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) [2024-09-21 12:49:56,643 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 [2024-09-21 12:49:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:56,743 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:56,745 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:56,923 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:56,940 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:56,977 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:56,978 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:56,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:56 BoogieIcfgContainer [2024-09-21 12:49:56,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:56,979 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:56,979 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:56,981 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:56,981 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:54" (1/4) ... [2024-09-21 12:49:56,982 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de68815 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:56, skipping insertion in model container [2024-09-21 12:49:56,982 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:56" (2/4) ... [2024-09-21 12:49:56,983 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de68815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:56, skipping insertion in model container [2024-09-21 12:49:56,983 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:56" (3/4) ... [2024-09-21 12:49:56,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de68815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:56, skipping insertion in model container [2024-09-21 12:49:56,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:56" (4/4) ... [2024-09-21 12:49:56,985 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-21 12:49:56,989 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:56,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:56,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:49:56,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:56,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:56,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:56,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:49:56,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:56,992 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:49:57,066 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:57,067 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,067 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,067 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,080 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:57,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:57,126 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:57,176 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:57,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,204 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:57,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:57,207 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:57,231 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:57,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:57,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:57,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:57,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:57,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,243 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:57,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:57,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:57,245 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:57,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:57,245 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,254 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:01,272 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:01,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,273 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,276 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:01,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,277 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,279 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:01,291 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:01,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,294 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:01,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,297 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:01,314 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:01,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,329 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:01,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,337 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:01,352 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:01,352 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,352 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,375 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:01,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,387 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:01,391 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:01,391 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de68815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,392 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:01,394 INFO L158 Benchmark]: Toolchain (without parser) took 5115.69ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 93.8MB in the end (delta: 6.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,394 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 118.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:01,395 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:01,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 86.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,397 INFO L158 Benchmark]: Boogie Preprocessor took 45.61ms. Allocated memory is still 157.3MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,397 INFO L158 Benchmark]: RCFGBuilder took 364.01ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 69.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,398 INFO L158 Benchmark]: Referee took 4413.58ms. Allocated memory is still 157.3MB. Free memory was 69.9MB in the beginning and 93.8MB in the end (delta: -23.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,402 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 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 118.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 86.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.61ms. Allocated memory is still 157.3MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.01ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 69.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4413.58ms. Allocated memory is still 157.3MB. Free memory was 69.9MB in the beginning and 93.8MB in the end (delta: -23.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:01,427 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-27b4987-m [2024-09-21 12:50:03,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:03,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:03,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:03,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:03,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:03,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:03,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:03,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:03,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:03,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:03,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:03,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:03,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:03,873 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:03,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:03,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:03,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:03,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:03,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:03,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:03,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:03,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:03,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:03,879 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:03,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:03,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:03,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:03,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:03,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:03,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:03,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:03,881 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:03,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:03,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:03,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:03,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:03,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:03,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:03,883 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:03,883 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:03,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:03,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:03,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:03,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:03,885 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:03,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:04,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:04,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:04,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:04,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:04,239 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:04,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-21 12:50:05,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:05,909 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:05,910 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-21 12:50:05,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9097dc0d1/85a988eb56594dab8bdf21d0cf824ef1/FLAGe7494dade [2024-09-21 12:50:05,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9097dc0d1/85a988eb56594dab8bdf21d0cf824ef1 [2024-09-21 12:50:05,932 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:05,933 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:05,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-21 12:50:05,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:05,994 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:05,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:05,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:06,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:06,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:05" (1/2) ... [2024-09-21 12:50:06,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e300c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:06, skipping insertion in model container [2024-09-21 12:50:06,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:05" (1/2) ... [2024-09-21 12:50:06,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3484cc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:06, skipping insertion in model container [2024-09-21 12:50:06,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:05" (2/2) ... [2024-09-21 12:50:06,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e300c20 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:06, skipping insertion in model container [2024-09-21 12:50:06,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:05" (2/2) ... [2024-09-21 12:50:06,021 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:06,022 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-21 12:50:06,023 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond == 1), ensures (cond == 1) [2024-09-21 12:50:06,023 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:06,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:06,236 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] [2024-09-21 12:50:06,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:06,274 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:06,315 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 [2024-09-21 12:50:06,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:06,349 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:06,350 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:06 WrapperNode [2024-09-21 12:50:06,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:06,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:06,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:06,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:06,366 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,367 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,377 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,391 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 [2024-09-21 12:50:06,394 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,394 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,400 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,406 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,412 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,413 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:06,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:06,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:06,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:06,418 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 21.09 12:50:06" (1/1) ... [2024-09-21 12:50:06,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:06,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:06,454 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) [2024-09-21 12:50:06,458 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 [2024-09-21 12:50:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:06,593 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:06,596 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:06,928 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:06,958 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:07,011 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:07,013 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:07,013 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:07 BoogieIcfgContainer [2024-09-21 12:50:07,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:07,014 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:07,015 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:07,016 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:07,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:05" (1/4) ... [2024-09-21 12:50:07,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fb4f9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,018 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:05" (2/4) ... [2024-09-21 12:50:07,018 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fb4f9f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,018 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 21.09 12:50:06" (3/4) ... [2024-09-21 12:50:07,019 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fb4f9f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,019 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:07" (4/4) ... [2024-09-21 12:50:07,020 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-21 12:50:07,025 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:07,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:07,026 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:07,026 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:07,026 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:07,027 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:07,027 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:07,027 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:07,028 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:07,082 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:07,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,088 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,104 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:07,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,109 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,109 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,109 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,134 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:07,173 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:07,173 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,173 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,174 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,199 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:07,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,202 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,208 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:07,236 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:07,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,237 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,237 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,243 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:07,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,245 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,250 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:07,270 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:07,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,273 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:07,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,278 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,280 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:07,298 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:07,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,301 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:07,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,303 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,305 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:07,333 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:07,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,350 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:07,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,351 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,351 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,359 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:07,374 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:07,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:07,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:07,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:07,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:07,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,400 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:07,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:07,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:07,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:07,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:07,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:07,424 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:07,433 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:50:07,435 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fb4f9f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,435 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:07,437 INFO L158 Benchmark]: Toolchain (without parser) took 1442.41ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 27.6MB in the beginning and 39.1MB in the end (delta: -11.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,438 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 27.4MB in the beginning and 27.3MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:07,438 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:07,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.70ms. Allocated memory is still 62.9MB. Free memory was 27.3MB in the beginning and 37.1MB in the end (delta: -9.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,440 INFO L158 Benchmark]: Boogie Preprocessor took 64.61ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,440 INFO L158 Benchmark]: RCFGBuilder took 596.79ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 54.9MB in the end (delta: -19.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,441 INFO L158 Benchmark]: Referee took 421.11ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 39.1MB in the end (delta: 15.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:07,446 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 loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __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 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 27.4MB 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 0.12ms. Allocated memory is still 62.9MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.70ms. Allocated memory is still 62.9MB. Free memory was 27.3MB in the beginning and 37.1MB in the end (delta: -9.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.61ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.79ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.1MB in the beginning and 54.9MB in the end (delta: -19.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Referee took 421.11ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 39.1MB in the end (delta: 15.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:50:07,480 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