./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound10.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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound10.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 20:51:57,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:57,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:57,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:57,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:57,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:57,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:57,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:57,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:57,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:57,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:57,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:57,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:57,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:57,586 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:57,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:57,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:57,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:57,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:57,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:57,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:57,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:57,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:57,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:57,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:57,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:57,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:57,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:57,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:57,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:57,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:57,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:57,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:57,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:57,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:57,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:57,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:57,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:57,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:57,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:57,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:57,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:57,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:57,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:57,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:57,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:57,819 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:57,819 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:57,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound10.yml/witness-2.1.yml [2024-09-11 20:51:57,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:57,864 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:57,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-09-11 20:51:59,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:59,215 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:59,215 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-09-11 20:51:59,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d7fa28775/e4664bb7880a49e8953eb6c5a27d9f2a/FLAGfcbaf6bd3 [2024-09-11 20:51:59,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d7fa28775/e4664bb7880a49e8953eb6c5a27d9f2a [2024-09-11 20:51:59,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:59,235 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:59,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:59,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:59,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:59,243 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 08:51:57" (1/2) ... [2024-09-11 20:51:59,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15504fe0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,243 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 08:51:57" (1/2) ... [2024-09-11 20:51:59,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c488720 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:59" (2/2) ... [2024-09-11 20:51:59,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15504fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59, skipping insertion in model container [2024-09-11 20:51:59,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:59" (2/2) ... [2024-09-11 20:51:59,254 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:59,255 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:51:59,255 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:59,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:59,400 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_unwindbound10.c[454,467] [2024-09-11 20:51:59,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:59,424 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:59,453 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_unwindbound10.c[454,467] Start Parsing Local [2024-09-11 20:51:59,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:59,475 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:59,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59 WrapperNode [2024-09-11 20:51:59,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:59,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:59,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:59,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:59,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,502 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 20:51:59,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:59,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:59,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:59,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:59,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (1/1) ... [2024-09-11 20:51:59,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:59,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:59,544 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 20:51:59,546 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 20:51:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:59,665 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:59,667 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:59,750 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:59,779 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:59,779 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:59,801 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:59,803 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:59,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:59 BoogieIcfgContainer [2024-09-11 20:51:59,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:59,804 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:59,804 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:59,804 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:59,805 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 08:51:57" (1/4) ... [2024-09-11 20:51:59,805 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bd11937 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 20:51:59,805 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:59" (2/4) ... [2024-09-11 20:51:59,805 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bd11937 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 20:51:59,805 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:59" (3/4) ... [2024-09-11 20:51:59,805 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bd11937 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 20:51:59,805 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 20:51:59,807 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound10.c [2024-09-11 20:51:59,810 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:59,810 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:59,810 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:59,810 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:51:59,811 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:51:59,811 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 20:51:59,811 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 20:51:59,811 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 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 [2024-09-11 20:51:59,839 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:59,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,878 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:59,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,897 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:59,906 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:59,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,912 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:59,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,916 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:59,922 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:51:59,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,922 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,923 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,924 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:51:59,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,925 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,928 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:59,935 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:51:59,935 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,935 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,935 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,943 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:51:59,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,944 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,944 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,945 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:59,951 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:59,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,952 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,954 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:59,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,955 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,957 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:59,967 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:59,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:59,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:59,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:59,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:59,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,969 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:59,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:59,971 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:59,971 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:59,971 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:59,971 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:59,972 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:59,975 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:59,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bd11937 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 20:51:59,975 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:59,976 INFO L158 Benchmark]: Toolchain (without parser) took 741.05ms. Allocated memory is still 127.9MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,977 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:59,977 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 127.9MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:59,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.06ms. Allocated memory is still 127.9MB. Free memory was 73.7MB in the beginning and 60.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,978 INFO L158 Benchmark]: Boogie Preprocessor took 43.45ms. Allocated memory is still 127.9MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,978 INFO L158 Benchmark]: RCFGBuilder took 282.47ms. Allocated memory is still 127.9MB. Free memory was 58.5MB in the beginning and 90.7MB in the end (delta: -32.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,978 INFO L158 Benchmark]: Referee took 171.25ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 72.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:59,980 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 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 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 loop head at line 27 to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.70ms. Allocated memory is still 127.9MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.06ms. Allocated memory is still 127.9MB. Free memory was 73.7MB in the beginning and 60.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.45ms. Allocated memory is still 127.9MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.47ms. Allocated memory is still 127.9MB. Free memory was 58.5MB in the beginning and 90.7MB in the end (delta: -32.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Referee took 171.25ms. Allocated memory is still 127.9MB. Free memory was 90.7MB in the beginning and 72.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:00,010 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound10.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 20:52:01,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:01,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:01,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:01,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:01,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:01,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:01,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:01,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:01,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:01,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:01,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:01,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:01,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:01,842 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:01,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:01,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:01,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:01,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:01,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:01,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:01,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:01,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:01,846 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:01,846 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:01,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:01,847 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:01,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:01,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:01,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:01,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:01,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:01,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:01,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:01,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:01,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:01,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:01,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:01,850 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:01,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:01,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:01,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:01,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:01,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:01,851 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:01,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:02,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:02,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:02,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:02,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:02,103 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:02,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-09-11 20:52:03,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:03,471 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:03,471 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-09-11 20:52:03,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f1ae56b8d/f01699e914af495badf06b1ea1ca08bd/FLAGee7af2854 [2024-09-11 20:52:03,487 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f1ae56b8d/f01699e914af495badf06b1ea1ca08bd [2024-09-11 20:52:03,489 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:03,490 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:03,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound10.yml/witness-2.1.yml [2024-09-11 20:52:03,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:03,536 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:03,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:03,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:03,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:03,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:03" (1/2) ... [2024-09-11 20:52:03,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0bdf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:03" (1/2) ... [2024-09-11 20:52:03,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e320e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,547 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 08:52:03" (2/2) ... [2024-09-11 20:52:03,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0bdf95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03, skipping insertion in model container [2024-09-11 20:52:03,547 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 08:52:03" (2/2) ... [2024-09-11 20:52:03,556 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:03,556 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:03,556 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:03,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:03,698 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_unwindbound10.c[454,467] [2024-09-11 20:52:03,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:03,725 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:03,757 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_unwindbound10.c[454,467] Start Parsing Local [2024-09-11 20:52:03,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:03,779 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:03,780 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03 WrapperNode [2024-09-11 20:52:03,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:03,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:03,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:03,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:03,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,807 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 20:52:03,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:03,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:03,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:03,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:03,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (1/1) ... [2024-09-11 20:52:03,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:03,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:03,849 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 20:52:03,852 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 20:52:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:03,941 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:03,945 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:04,547 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:04,588 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:04,588 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:04,605 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:04,605 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:04,605 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:04 BoogieIcfgContainer [2024-09-11 20:52:04,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:04,606 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:04,606 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:04,607 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:04,607 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:03" (1/4) ... [2024-09-11 20:52:04,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16033f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:04, skipping insertion in model container [2024-09-11 20:52:04,607 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 08:52:03" (2/4) ... [2024-09-11 20:52:04,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16033f7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:04, skipping insertion in model container [2024-09-11 20:52:04,608 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:03" (3/4) ... [2024-09-11 20:52:04,608 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16033f7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:04, skipping insertion in model container [2024-09-11 20:52:04,608 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:04" (4/4) ... [2024-09-11 20:52:04,609 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound10.c [2024-09-11 20:52:04,611 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:04,612 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:04,612 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:04,612 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:04,612 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:04,613 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 20:52:04,613 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 20:52:04,613 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 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 [2024-09-11 20:52:04,654 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:04,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:04,655 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:04,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:04,656 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:04,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:04,694 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:04,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:04,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:04,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:04,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:04,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:08,770 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:08,799 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:08,799 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:08,799 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:08,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:08,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:08,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:08,806 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:08,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:08,806 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:08,806 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:08,806 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:08,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,865 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:12,897 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:12,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,901 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:12,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,911 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:12,919 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:12,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,931 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:12,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,932 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,077 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:17,126 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:17,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,129 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:17,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,131 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:17,142 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:17,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,143 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:17,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,148 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:17,151 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:17,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16033f7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:17, skipping insertion in model container [2024-09-11 20:52:17,151 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:17,153 INFO L158 Benchmark]: Toolchain (without parser) took 13615.54ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 43.4MB in the end (delta: 32.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,153 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 69.2MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,154 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.16ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 61.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,155 INFO L158 Benchmark]: Boogie Preprocessor took 42.90ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,156 INFO L158 Benchmark]: RCFGBuilder took 781.23ms. Allocated memory is still 100.7MB. Free memory was 59.2MB in the beginning and 71.3MB in the end (delta: -12.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,156 INFO L158 Benchmark]: Referee took 12545.08ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 43.4MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,159 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 27. 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 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: * CDTParser took 0.65ms. Allocated memory is still 69.2MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.16ms. Allocated memory is still 100.7MB. Free memory was 75.3MB in the beginning and 61.6MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.90ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.23ms. Allocated memory is still 100.7MB. Free memory was 59.2MB in the beginning and 71.3MB in the end (delta: -12.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Referee took 12545.08ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 43.4MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:17,208 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