./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/prod4br-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.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-dev-a9b967e-m [2024-09-11 20:51:44,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:44,472 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:44,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:44,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:44,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:44,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:44,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:44,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:44,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:44,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:44,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:44,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:44,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:44,502 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:44,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:44,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:44,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:44,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:44,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:44,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:44,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:44,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:44,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:44,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:44,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:44,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:44,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:44,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:44,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:44,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:44,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:44,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:44,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:44,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:44,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:44,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:44,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:44,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:44,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:44,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:44,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:44,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:44,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:44,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:44,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:44,787 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:44,788 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:44,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:51:44,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:44,893 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:44,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-11 20:51:46,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:46,612 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:46,613 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-11 20:51:46,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/52207d283/9c6b555a6d9a43929202676f1a89c7ec/FLAGd03c1f5a6 [2024-09-11 20:51:46,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/52207d283/9c6b555a6d9a43929202676f1a89c7ec [2024-09-11 20:51:46,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:46,996 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:46,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:46,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:47,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:47,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:44" (1/2) ... [2024-09-11 20:51:47,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ec2b83 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:47, skipping insertion in model container [2024-09-11 20:51:47,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:44" (1/2) ... [2024-09-11 20:51:47,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d483e2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:47, skipping insertion in model container [2024-09-11 20:51:47,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:46" (2/2) ... [2024-09-11 20:51:47,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ec2b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47, skipping insertion in model container [2024-09-11 20:51:47,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:46" (2/2) ... [2024-09-11 20:51:47,019 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:47,020 INFO L1541 ArrayList]: Loop invariant at [L34-L55] ((1 <= y) && ((q + (((__int128) a * b) * p)) == ((long long) x * y))) [2024-09-11 20:51:47,020 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:47,021 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:47,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:47,186 WARN L247 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/prod4br-ll_valuebound20.c[524,537] [2024-09-11 20:51:47,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:47,214 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:47,245 WARN L247 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/prod4br-ll_valuebound20.c[524,537] Start Parsing Local [2024-09-11 20:51:47,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:47,277 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:47,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47 WrapperNode [2024-09-11 20:51:47,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:47,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:47,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:47,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:47,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,327 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 [2024-09-11 20:51:47,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:47,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:47,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:47,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:47,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (1/1) ... [2024-09-11 20:51:47,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:47,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:47,401 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) [2024-09-11 20:51:47,407 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 [2024-09-11 20:51:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:47,531 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:47,533 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:47,727 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:47,770 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:47,770 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:47,796 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:47,797 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:47,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:47 BoogieIcfgContainer [2024-09-11 20:51:47,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:47,814 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:47,814 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:47,817 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:47,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:44" (1/4) ... [2024-09-11 20:51:47,818 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c5137d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:47, skipping insertion in model container [2024-09-11 20:51:47,820 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:46" (2/4) ... [2024-09-11 20:51:47,820 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c5137d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:47, skipping insertion in model container [2024-09-11 20:51:47,820 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:47" (3/4) ... [2024-09-11 20:51:47,821 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c5137d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:47, skipping insertion in model container [2024-09-11 20:51:47,821 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:47" (4/4) ... [2024-09-11 20:51:47,822 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound20.c [2024-09-11 20:51:47,833 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:47,834 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:47,835 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:47,835 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:47,835 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:47,839 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:51:47,839 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:47,840 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:47,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:47,840 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, 3 loop-free subgraphs from loop head to error location [2024-09-11 20:51:47,901 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:47,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:47,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:47,903 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:47,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:47,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:47,917 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:47,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:47,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:47,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:47,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:47,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:47,942 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:47,977 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:47,978 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:47,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:47,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:47,979 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:47,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:47,999 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:47,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,007 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,010 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:48,024 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:48,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:48,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:48,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:48,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:48,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,029 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:48,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,029 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,030 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,030 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,030 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,032 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:48,053 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:48,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:48,054 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:48,054 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:48,054 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:48,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,075 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:48,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,076 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,076 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,080 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:48,100 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-11 20:51:48,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:48,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:48,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:48,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:48,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,155 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:51:48,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,172 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:48,188 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:48,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:48,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:48,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:48,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:48,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,193 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:48,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,195 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,196 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,198 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:48,210 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:48,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:48,211 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:48,211 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:48,212 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:48,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,213 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:48,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,216 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:48,228 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:48,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:48,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:48,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:48,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:48,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,237 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:51:48,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:48,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:48,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:48,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:48,241 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:48,246 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:48,250 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:48,250 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c5137d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:48, skipping insertion in model container [2024-09-11 20:51:48,251 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:48,254 INFO L158 Benchmark]: Toolchain (without parser) took 1256.71ms. Allocated memory is still 192.9MB. Free memory was 116.3MB in the beginning and 119.0MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:48,254 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 192.9MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:48,254 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 192.9MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:48,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.12ms. Allocated memory is still 192.9MB. Free memory was 116.3MB in the beginning and 102.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:48,255 INFO L158 Benchmark]: Boogie Preprocessor took 82.39ms. Allocated memory is still 192.9MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:48,256 INFO L158 Benchmark]: RCFGBuilder took 450.14ms. Allocated memory is still 192.9MB. Free memory was 100.4MB in the beginning and 160.9MB in the end (delta: -60.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:48,256 INFO L158 Benchmark]: Referee took 437.09ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 119.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:48,259 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 main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 192.9MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.94ms. Allocated memory is still 192.9MB. Free memory is still 164.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.12ms. Allocated memory is still 192.9MB. Free memory was 116.3MB in the beginning and 102.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.39ms. Allocated memory is still 192.9MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.14ms. Allocated memory is still 192.9MB. Free memory was 100.4MB in the beginning and 160.9MB in the end (delta: -60.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Referee took 437.09ms. Allocated memory is still 192.9MB. Free memory was 160.9MB in the beginning and 119.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:48,293 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.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-dev-a9b967e-m [2024-09-11 20:51:50,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:50,633 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:50,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:50,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:50,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:50,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:50,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:50,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:50,673 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:50,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:50,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:50,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:50,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:50,675 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:50,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:50,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:50,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:50,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:50,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:50,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:50,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:50,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:50,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:50,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:50,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:50,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:50,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:50,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:50,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:50,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:50,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:50,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:50,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:50,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:50,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:50,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:50,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:50,688 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:50,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:50,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:50,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:50,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:50,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:50,690 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:50,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:51,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:51,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:51,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:51,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:51,065 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:51,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-11 20:51:52,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:52,946 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:52,947 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-11 20:51:52,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/257435259/c3f671ef6b2140ebbf00fe7c72cfedcc/FLAGe642c418e [2024-09-11 20:51:52,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/257435259/c3f671ef6b2140ebbf00fe7c72cfedcc [2024-09-11 20:51:52,996 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:52,996 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:52,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:51:53,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:53,055 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:53,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:53,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:53,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:53,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:52" (1/2) ... [2024-09-11 20:51:53,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4e7d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:53, skipping insertion in model container [2024-09-11 20:51:53,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:52" (1/2) ... [2024-09-11 20:51:53,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30e3b315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:53, skipping insertion in model container [2024-09-11 20:51:53,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:53" (2/2) ... [2024-09-11 20:51:53,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4e7d06 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:53, skipping insertion in model container [2024-09-11 20:51:53,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:53" (2/2) ... [2024-09-11 20:51:53,082 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:53,084 INFO L1541 ArrayList]: Loop invariant at [L34-L55] ((1 <= y) && ((q + (((__int128) a * b) * p)) == ((long long) x * y))) [2024-09-11 20:51:53,084 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:53,084 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:53,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:53,281 WARN L247 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/prod4br-ll_valuebound20.c[524,537] [2024-09-11 20:51:53,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:53,327 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:53,368 WARN L247 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/prod4br-ll_valuebound20.c[524,537] Start Parsing Local [2024-09-11 20:51:53,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:53,416 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:53,416 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:53 WrapperNode [2024-09-11 20:51:53,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:53,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:53,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:53,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:53,432 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,433 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,446 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,464 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 [2024-09-11 20:51:53,465 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,465 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,477 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,483 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,485 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,487 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:53,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:53,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:53,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:53,498 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 11.09 08:51:53" (1/1) ... [2024-09-11 20:51:53,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:53,531 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) [2024-09-11 20:51:53,534 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 [2024-09-11 20:51:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:53,681 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:53,684 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:02,338 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:02,423 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:02,423 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:02,455 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:02,456 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:02,456 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:02 BoogieIcfgContainer [2024-09-11 20:52:02,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:02,459 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:02,461 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:02,462 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:02,462 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:52" (1/4) ... [2024-09-11 20:52:02,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54540bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,463 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:53" (2/4) ... [2024-09-11 20:52:02,464 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54540bc7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,464 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 11.09 08:51:53" (3/4) ... [2024-09-11 20:52:02,464 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54540bc7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:02, skipping insertion in model container [2024-09-11 20:52:02,464 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:02" (4/4) ... [2024-09-11 20:52:02,465 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound20.c [2024-09-11 20:52:02,469 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:02,469 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:02,469 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:02,469 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:02,470 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:52:02,470 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:52:02,470 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:02,470 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:02,470 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:02,470 INFO L130 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to error location [2024-09-11 20:52:02,525 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:52:02,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:02,527 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:02,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:02,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:02,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,543 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:52:02,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,546 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:02,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:02,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:02,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:02,574 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:02,614 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:02,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:02,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:02,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:02,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:02,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,639 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:02,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:02,639 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:02,639 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:02,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:02,645 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:06,823 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:06,910 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:06,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,914 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:06,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,914 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:11,071 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:11,154 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:52:11,155 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:11,155 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:11,155 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:11,155 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:11,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,177 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:52:11,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:11,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:11,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:11,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:11,295 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:11,323 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-11 20:52:11,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:11,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:11,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:11,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:11,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,358 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:52:11,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:11,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:11,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:11,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:11,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:16,303 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:16,593 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:16,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:16,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:16,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:16,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:16,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:16,601 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:16,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:16,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:16,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:16,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:16,602 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:16,605 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:16,616 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:16,616 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:16,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:16,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:16,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:16,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:16,619 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:16,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:16,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:16,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:16,621 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:16,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:16,623 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:16,636 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:16,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:16,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:16,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:16,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:16,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:16,650 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:52:16,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:16,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:16,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:16,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:16,656 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,911 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:21,001 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:21,001 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54540bc7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,001 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:21,004 INFO L158 Benchmark]: Toolchain (without parser) took 27946.84ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.9MB in the beginning and 35.2MB in the end (delta: 763.9kB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:21,004 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 39.8MB. Free memory was 19.3MB in the beginning and 19.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:21,004 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 56.6MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:21,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.63ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.8MB in the beginning and 49.2MB in the end (delta: -13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:21,005 INFO L158 Benchmark]: Boogie Preprocessor took 75.43ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 47.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:21,006 INFO L158 Benchmark]: RCFGBuilder took 8964.16ms. Allocated memory is still 69.2MB. Free memory was 46.9MB in the beginning and 47.3MB in the end (delta: -468.2kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:21,006 INFO L158 Benchmark]: Referee took 18542.33ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 35.2MB in the end (delta: 12.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:21,009 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 34 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 39.8MB. Free memory was 19.3MB in the beginning and 19.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 56.6MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.63ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.8MB in the beginning and 49.2MB in the end (delta: -13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.43ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 47.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8964.16ms. Allocated memory is still 69.2MB. Free memory was 46.9MB in the beginning and 47.3MB in the end (delta: -468.2kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Referee took 18542.33ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 35.2MB in the end (delta: 12.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:21,199 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN