./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound2.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/ps2-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound2.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 20:52:21,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:21,271 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:21,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:21,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:21,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:21,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:21,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:21,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:21,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:21,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:21,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:21,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:21,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:21,317 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:21,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:21,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:21,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:21,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:21,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:21,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:21,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:21,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:21,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:21,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:21,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:21,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:21,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:21,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:21,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:21,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:21,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:21,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:21,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:21,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:21,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:21,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:21,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:21,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:21,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:21,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:21,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:21,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:21,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:21,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:21,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:21,597 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:21,599 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:21,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:52:21,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:21,660 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:21,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound2.c [2024-09-11 20:52:23,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:23,357 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:23,357 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound2.c [2024-09-11 20:52:23,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/44d4333ab/e8768e5489074061bba4a55dde02ea9d/FLAGe889091ed [2024-09-11 20:52:23,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/44d4333ab/e8768e5489074061bba4a55dde02ea9d [2024-09-11 20:52:23,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:23,739 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:23,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:23,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:23,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:23,748 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 08:52:21" (1/2) ... [2024-09-11 20:52:23,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202006cb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:23, skipping insertion in model container [2024-09-11 20:52:23,749 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 08:52:21" (1/2) ... [2024-09-11 20:52:23,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@799cf0d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:23, skipping insertion in model container [2024-09-11 20:52:23,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:23" (2/2) ... [2024-09-11 20:52:23,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202006cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:23, skipping insertion in model container [2024-09-11 20:52:23,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:23" (2/2) ... [2024-09-11 20:52:23,762 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:23,763 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:23,763 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:23,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:23,937 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/ps2-ll_valuebound2.c[454,467] [2024-09-11 20:52:23,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:23,962 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:23,994 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/ps2-ll_valuebound2.c[454,467] Start Parsing Local [2024-09-11 20:52:24,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:24,013 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:24,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24 WrapperNode [2024-09-11 20:52:24,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:24,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:24,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:24,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:24,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,036 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:52:24,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:24,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:24,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:24,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:24,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:24,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:24,073 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 20:52:24,075 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 20:52:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:24,171 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:24,173 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:24,281 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:24,319 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:24,319 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:24,341 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:24,341 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:24,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:24 BoogieIcfgContainer [2024-09-11 20:52:24,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:24,342 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:24,342 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:24,343 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:24,343 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 08:52:21" (1/4) ... [2024-09-11 20:52:24,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6357b4c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,344 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:23" (2/4) ... [2024-09-11 20:52:24,344 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6357b4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,344 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (3/4) ... [2024-09-11 20:52:24,345 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6357b4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,345 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:24" (4/4) ... [2024-09-11 20:52:24,346 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound2.c [2024-09-11 20:52:24,349 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:24,350 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:24,350 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:24,350 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:24,350 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:24,351 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 20:52:24,351 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 20:52:24,364 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:24,409 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:24,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,436 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:24,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,460 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:24,482 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:24,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,488 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:24,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,494 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:24,508 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:24,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,514 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:24,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,515 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,519 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:24,536 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:24,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,550 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:24,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,553 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:24,566 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:24,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,573 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:24,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,574 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,574 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,575 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,577 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:24,584 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:24,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,587 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:24,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,587 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,588 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,589 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:24,593 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:24,594 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6357b4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,594 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:24,596 INFO L158 Benchmark]: Toolchain (without parser) took 855.84ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 98.8MB in the beginning and 150.0MB in the end (delta: -51.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,596 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:24,596 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 157.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:24,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.82ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 85.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,598 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 157.3MB. Free memory was 85.2MB in the beginning and 83.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,599 INFO L158 Benchmark]: RCFGBuilder took 292.12ms. Allocated memory is still 157.3MB. Free memory was 83.2MB in the beginning and 69.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,599 INFO L158 Benchmark]: Referee took 251.85ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 69.8MB in the beginning and 150.0MB in the end (delta: -80.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,602 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 27 to loop head at line 27. 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 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. 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 11. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.79ms. Allocated memory is still 157.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.82ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 85.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 157.3MB. Free memory was 85.2MB in the beginning and 83.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.12ms. Allocated memory is still 157.3MB. Free memory was 83.2MB in the beginning and 69.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 251.85ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 69.8MB in the beginning and 150.0MB in the end (delta: -80.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:24,626 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/ps2-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound2.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 20:52:26,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:26,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:26,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:26,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:26,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:26,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:26,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:26,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:26,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:26,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:26,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:26,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:26,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:26,976 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:26,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:26,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:26,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:26,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:26,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:26,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:26,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:26,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:26,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:26,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:26,984 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:26,984 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:26,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:26,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:26,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:26,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:26,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:26,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:26,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:26,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:26,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:26,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:26,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:26,992 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:26,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:26,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:26,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:26,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:26,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:26,994 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:26,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:27,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:27,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:27,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:27,355 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:27,357 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:27,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:52:27,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:27,404 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:27,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound2.c [2024-09-11 20:52:28,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:29,087 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:29,088 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound2.c [2024-09-11 20:52:29,095 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9ae59337c/921f8da6ed8d4bcc8512848ccf163cd9/FLAGf1c079e34 [2024-09-11 20:52:29,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9ae59337c/921f8da6ed8d4bcc8512848ccf163cd9 [2024-09-11 20:52:29,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:29,491 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:29,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:29,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:29,499 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 08:52:27" (1/2) ... [2024-09-11 20:52:29,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5abd8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,500 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 08:52:27" (1/2) ... [2024-09-11 20:52:29,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12146c50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (2/2) ... [2024-09-11 20:52:29,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5abd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (2/2) ... [2024-09-11 20:52:29,515 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:29,518 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:29,518 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:29,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:29,700 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/ps2-ll_valuebound2.c[454,467] [2024-09-11 20:52:29,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,739 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:29,774 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/ps2-ll_valuebound2.c[454,467] Start Parsing Local [2024-09-11 20:52:29,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,803 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:29,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29 WrapperNode [2024-09-11 20:52:29,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:29,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:29,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,838 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:52:29,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:29,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:29,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:29,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:29,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:29,893 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 20:52:29,896 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 20:52:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:30,010 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:30,013 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:30,747 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:30,801 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:30,801 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:30,827 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:30,827 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:30,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:30 BoogieIcfgContainer [2024-09-11 20:52:30,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:30,828 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:30,828 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:30,829 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:30,829 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 08:52:27" (1/4) ... [2024-09-11 20:52:30,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28fb0966 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:29" (2/4) ... [2024-09-11 20:52:30,830 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28fb0966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,830 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (3/4) ... [2024-09-11 20:52:30,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28fb0966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:30" (4/4) ... [2024-09-11 20:52:30,836 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound2.c [2024-09-11 20:52:30,843 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:30,844 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:30,844 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:30,844 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:30,845 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:30,845 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 20:52:30,845 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 20:52:30,845 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:52:30,887 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:30,888 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,889 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,913 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:30,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,914 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,930 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:30,944 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:30,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,950 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:30,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,013 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:35,060 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:35,064 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,064 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,076 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:35,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,086 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:35,101 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:35,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,105 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,136 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:35,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:39,305 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:39,355 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:39,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:39,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:39,356 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:39,356 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:39,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:39,359 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:39,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:39,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:39,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:39,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:39,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:39,367 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:39,376 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:39,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:39,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:39,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:39,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:39,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:39,378 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:39,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:39,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:39,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:39,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:39,379 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:39,381 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:39,384 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:39,384 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28fb0966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:39, skipping insertion in model container [2024-09-11 20:52:39,384 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:39,386 INFO L158 Benchmark]: Toolchain (without parser) took 9894.30ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 28.8MB in the end (delta: 15.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:39,387 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 29.7MB in the beginning and 29.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:39,391 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 27.7MB in the beginning and 27.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:39,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.39ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 30.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:39,392 INFO L158 Benchmark]: Boogie Preprocessor took 54.78ms. Allocated memory is still 62.9MB. Free memory was 30.4MB in the beginning and 28.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:39,393 INFO L158 Benchmark]: RCFGBuilder took 966.52ms. Allocated memory is still 62.9MB. Free memory was 28.1MB in the beginning and 32.8MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:39,393 INFO L158 Benchmark]: Referee took 8556.26ms. Allocated memory is still 62.9MB. Free memory was 32.8MB in the beginning and 28.8MB in the end (delta: 4.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:39,396 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 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 11. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 29.7MB in the beginning and 29.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 27.7MB in the beginning and 27.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.39ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 30.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.78ms. Allocated memory is still 62.9MB. Free memory was 30.4MB in the beginning and 28.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 966.52ms. Allocated memory is still 62.9MB. Free memory was 28.1MB in the beginning and 32.8MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 8556.26ms. Allocated memory is still 62.9MB. Free memory was 32.8MB in the beginning and 28.8MB in the end (delta: 4.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:39,455 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