./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound5.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/prodbin-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound5.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 20:51:56,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:56,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:56,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:56,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:56,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:56,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:56,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:56,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:56,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:56,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:56,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:56,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:56,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:56,329 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:56,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:56,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:56,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:56,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:56,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:56,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:56,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:56,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:56,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:56,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:56,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:56,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:56,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:56,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:56,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:56,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:56,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:56,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:56,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:56,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:56,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:56,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:56,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:56,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:56,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:56,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:56,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:56,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:56,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:56,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:56,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:56,638 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:56,639 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:56,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:51:56,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:56,695 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:56,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-09-11 20:51:58,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:58,380 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:58,380 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-09-11 20:51:58,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/62370b921/a321ee8c98114b368b9ea0c2109f77a0/FLAG87510489f [2024-09-11 20:51:58,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/62370b921/a321ee8c98114b368b9ea0c2109f77a0 [2024-09-11 20:51:58,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:58,407 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:58,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:58,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:58,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:58,416 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 08:51:56" (1/2) ... [2024-09-11 20:51:58,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7471c66d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:58, skipping insertion in model container [2024-09-11 20:51:58,417 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 08:51:56" (1/2) ... [2024-09-11 20:51:58,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fa63918 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:58, skipping insertion in model container [2024-09-11 20:51:58,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:58" (2/2) ... [2024-09-11 20:51:58,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7471c66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58, skipping insertion in model container [2024-09-11 20:51:58,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:58" (2/2) ... [2024-09-11 20:51:58,432 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:58,433 INFO L1541 ArrayList]: Loop invariant at [L34-L45] (((((((((((y <= 2) && (0 <= y)) && (((2 * (y / 4)) + 1) != (y / 2))) && (a <= 5)) && (b <= 5)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (0 <= a)) || ((((((((y == (b / 2)) && (a <= 5)) && (b <= 5)) && (1 <= b)) && (x == ((long long) 2 * a))) && (z == 0)) && (0 <= a)) && ((b % 2) != 1))) || (((((((b == y) && (a <= 5)) && (b <= 5)) && (1 <= b)) && (z == 0)) && (0 <= a)) && (a == x))) || (((((((((-1 + b) / 2) == y) && (a <= 5)) && (b <= 5)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (x == ((long long) 2 * a))) && (0 <= a))) [2024-09-11 20:51:58,433 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:58,433 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:58,453 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:58,634 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/prodbin-ll_valuebound5.c[537,550] [2024-09-11 20:51:58,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:58,662 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:58,705 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/prodbin-ll_valuebound5.c[537,550] Start Parsing Local [2024-09-11 20:51:58,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:58,753 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:58,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58 WrapperNode [2024-09-11 20:51:58,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:58,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:58,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:58,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:58,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,790 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 20:51:58,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:58,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:58,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:58,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:58,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (1/1) ... [2024-09-11 20:51:58,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:58,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:58,845 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 20:51:58,863 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 20:51:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:58,976 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:58,978 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:59,164 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:59,200 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:59,200 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:59,222 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:59,223 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:59,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:59 BoogieIcfgContainer [2024-09-11 20:51:59,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:59,224 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:59,224 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:59,225 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:59,225 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 08:51:56" (1/4) ... [2024-09-11 20:51:59,226 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cce0d53 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,226 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:58" (2/4) ... [2024-09-11 20:51:59,226 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cce0d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,226 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:58" (3/4) ... [2024-09-11 20:51:59,227 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cce0d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,227 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:59" (4/4) ... [2024-09-11 20:51:59,228 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound5.c [2024-09-11 20:51:59,231 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:59,231 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 20:51:59,232 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:59,232 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:59,232 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 20:51:59,232 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:59,232 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 20:51:59,233 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 20:51:59,233 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:51:59,288 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:59,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,309 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:59,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,310 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,310 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,348 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:59,380 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:59,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,428 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:59,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,451 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:59,482 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:59,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,566 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:51:59,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,616 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:59,635 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:59,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,659 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:59,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,659 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,660 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,665 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:59,679 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:59,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,680 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,689 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:59,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,689 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,697 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:59,713 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:59,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,717 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:59,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,718 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,722 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:59,734 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:59,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,737 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:59,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,741 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:59,749 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:59,751 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2cce0d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,751 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:59,753 INFO L158 Benchmark]: Toolchain (without parser) took 1344.90ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 83.4MB in the beginning and 128.2MB in the end (delta: -44.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,754 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 102.1MB in the end (delta: 134.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,755 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 142.6MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:59,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.26ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 69.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,756 INFO L158 Benchmark]: Boogie Preprocessor took 56.74ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,757 INFO L158 Benchmark]: RCFGBuilder took 410.39ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 67.5MB in the beginning and 176.4MB in the end (delta: -108.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,758 INFO L158 Benchmark]: Referee took 527.25ms. Allocated memory is still 218.1MB. Free memory was 176.4MB in the beginning and 128.2MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,760 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 34 to loop head at line 34. 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 check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 14. 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 34 to check that procedure precondition always holds at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 102.1MB in the end (delta: 134.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CDTParser took 0.88ms. Allocated memory is still 142.6MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.26ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 69.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.74ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.39ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 67.5MB in the beginning and 176.4MB in the end (delta: -108.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 527.25ms. Allocated memory is still 218.1MB. Free memory was 176.4MB in the beginning and 128.2MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:59,796 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/prodbin-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound5.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 20:52:02,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:02,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:02,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:02,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:02,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:02,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:02,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:02,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:02,153 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:02,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:02,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:02,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:02,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:02,156 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:02,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:02,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:02,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:02,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:02,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:02,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:02,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:02,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:02,165 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:02,165 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:02,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:02,166 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:02,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:02,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:02,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:02,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:02,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:02,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:02,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:02,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:02,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:02,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:02,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:02,170 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:02,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:02,170 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:02,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:02,171 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:02,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:02,171 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:02,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:02,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:02,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:02,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:02,510 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:02,512 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:02,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:52:02,563 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:02,563 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:02,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-09-11 20:52:04,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:04,326 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:04,327 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-09-11 20:52:04,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/99446ae10/7b9500aa53974c1eb492847e2146e5bc/FLAGc5ce34e6a [2024-09-11 20:52:04,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/99446ae10/7b9500aa53974c1eb492847e2146e5bc [2024-09-11 20:52:04,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:04,361 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:04,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:04,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:04,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:04,367 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 08:52:02" (1/2) ... [2024-09-11 20:52:04,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308b7a80 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:04, skipping insertion in model container [2024-09-11 20:52:04,369 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 08:52:02" (1/2) ... [2024-09-11 20:52:04,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1df477a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:04, skipping insertion in model container [2024-09-11 20:52:04,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:04" (2/2) ... [2024-09-11 20:52:04,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308b7a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04, skipping insertion in model container [2024-09-11 20:52:04,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:04" (2/2) ... [2024-09-11 20:52:04,382 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:04,383 INFO L1541 ArrayList]: Loop invariant at [L34-L45] (((((((((((y <= 2) && (0 <= y)) && (((2 * (y / 4)) + 1) != (y / 2))) && (a <= 5)) && (b <= 5)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (0 <= a)) || ((((((((y == (b / 2)) && (a <= 5)) && (b <= 5)) && (1 <= b)) && (x == ((long long) 2 * a))) && (z == 0)) && (0 <= a)) && ((b % 2) != 1))) || (((((((b == y) && (a <= 5)) && (b <= 5)) && (1 <= b)) && (z == 0)) && (0 <= a)) && (a == x))) || (((((((((-1 + b) / 2) == y) && (a <= 5)) && (b <= 5)) && (1 <= b)) && ((z + ((__int128) x * y)) == ((long long) a * b))) && (x == ((long long) 2 * a))) && (0 <= a))) [2024-09-11 20:52:04,383 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:04,383 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:52:04,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:04,568 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/prodbin-ll_valuebound5.c[537,550] [2024-09-11 20:52:04,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:04,607 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:52:04,645 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/prodbin-ll_valuebound5.c[537,550] Start Parsing Local [2024-09-11 20:52:04,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:04,692 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:04,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04 WrapperNode [2024-09-11 20:52:04,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:04,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:04,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:04,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:04,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,735 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 20:52:04,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:04,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:04,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:04,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:04,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (1/1) ... [2024-09-11 20:52:04,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:04,802 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 20:52:04,808 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 20:52:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:04,930 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:04,933 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:06,012 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:06,065 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:06,066 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:06,094 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:06,095 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:06,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:06 BoogieIcfgContainer [2024-09-11 20:52:06,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:06,096 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:06,096 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:06,097 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:06,097 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 08:52:02" (1/4) ... [2024-09-11 20:52:06,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c567bc1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:04" (2/4) ... [2024-09-11 20:52:06,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c567bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:04" (3/4) ... [2024-09-11 20:52:06,099 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c567bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,099 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:06" (4/4) ... [2024-09-11 20:52:06,100 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound5.c [2024-09-11 20:52:06,104 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:06,106 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 20:52:06,106 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:06,107 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:52:06,107 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 20:52:06,107 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:06,107 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 20:52:06,107 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 20:52:06,108 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:06,149 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:52:06,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,164 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:52:06,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,167 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:06,189 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:06,222 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:06,226 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,258 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:06,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:06,271 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:06,300 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:52:06,300 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,300 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,300 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,300 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,394 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:52:06,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,395 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,395 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:10,692 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:10,784 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:52:10,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:10,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:10,785 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:10,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:10,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,800 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:52:10,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:10,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:10,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:10,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:10,867 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:10,892 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:10,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:10,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:10,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:10,893 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:10,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,899 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:10,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:10,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:10,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:10,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:13,618 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:13,659 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:13,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:13,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:13,660 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:13,660 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:13,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:13,663 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:13,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:13,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:13,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:13,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:13,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:13,666 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:13,674 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:13,674 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:13,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:13,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:13,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:13,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:13,681 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:13,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:13,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:13,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:13,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:13,683 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:13,684 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:13,688 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:13,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c567bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:13, skipping insertion in model container [2024-09-11 20:52:13,689 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:13,690 INFO L158 Benchmark]: Toolchain (without parser) took 9329.28ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 39.5MB in the beginning and 61.4MB in the end (delta: -21.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:13,692 INFO L158 Benchmark]: Witness Parser took 0.93ms. Allocated memory is still 48.2MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:13,692 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory is still 23.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:13,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.33ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 25.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:13,694 INFO L158 Benchmark]: Boogie Preprocessor took 76.29ms. Allocated memory is still 58.7MB. Free memory was 25.1MB in the beginning and 38.4MB in the end (delta: -13.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:13,695 INFO L158 Benchmark]: RCFGBuilder took 1324.81ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 38.4MB in the beginning and 62.2MB in the end (delta: -23.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:13,696 INFO L158 Benchmark]: Referee took 7592.76ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 61.4MB in the end (delta: 786.7kB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:13,699 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 loop head 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. 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 14. 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 loop head at line 34 to check that procedure precondition always holds 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.93ms. Allocated memory is still 48.2MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory is still 23.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.33ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 25.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.29ms. Allocated memory is still 58.7MB. Free memory was 25.1MB in the beginning and 38.4MB in the end (delta: -13.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1324.81ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 38.4MB in the beginning and 62.2MB in the end (delta: -23.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Referee took 7592.76ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 61.4MB in the end (delta: 786.7kB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:13,802 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 Writing output log to file Ultimate.log Result: UNKNOWN