./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound1.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/bresenham-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:06,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:06,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:06,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:06,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:06,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:06,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:06,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:06,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:06,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:06,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:06,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:06,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:06,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:06,542 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:06,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:06,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:06,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:06,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:06,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:06,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:06,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:06,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:06,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:06,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:06,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:06,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:06,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:06,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:06,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:06,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:06,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:06,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:06,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:06,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:06,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:06,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:06,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:06,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:06,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:06,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:06,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:06,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:06,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:06,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:06,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:06,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:06,790 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:06,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-09-11 20:48:08,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:08,330 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:08,330 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-09-11 20:48:08,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/61f4bbeab/280621b44dca4b228ead16decfe49b00/FLAG5a5426cff [2024-09-11 20:48:08,349 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/61f4bbeab/280621b44dca4b228ead16decfe49b00 [2024-09-11 20:48:08,351 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:08,352 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:08,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:48:08,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:08,392 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:08,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:08,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:08,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:08,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:08" (1/2) ... [2024-09-11 20:48:08,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48730688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:08" (1/2) ... [2024-09-11 20:48:08,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e6324fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,400 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 08:48:08" (2/2) ... [2024-09-11 20:48:08,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48730688 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,401 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 08:48:08" (2/2) ... [2024-09-11 20:48:08,410 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:08,410 INFO L1541 ArrayList]: Loop invariant at [L32-L47] (((((((((((__int128) X * y) * 2) + X) + v) == ((((__int128) Y * x) * 2) + ((long long) 2 * Y))) && (Y <= 1)) && (0 <= Y)) && (X <= 1)) && ((((X + v) + (2 * ((__int128) x * y))) == ((((__int128) 2 * y) + (((__int128) Y * x) * 2)) + ((long long) 2 * Y))) || (x < ((long long) X + 1)))) && (0 <= X)) [2024-09-11 20:48:08,411 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:08,411 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:08,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:08,567 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/bresenham-ll_valuebound1.c[597,610] [2024-09-11 20:48:08,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:08,595 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:08,622 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/bresenham-ll_valuebound1.c[597,610] Start Parsing Local [2024-09-11 20:48:08,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:08,644 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:08,645 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:08 WrapperNode [2024-09-11 20:48:08,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:08,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:08,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:08,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:08,656 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,656 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,661 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,670 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:08,670 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,671 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,674 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,679 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,681 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,682 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:08,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:08,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:08,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:08,685 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:08,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:08,717 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 20:48:08,722 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 20:48:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:08,757 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:08,812 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:08,814 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:08,966 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:08,999 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:09,000 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:09,016 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:09,016 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:09,017 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:09 BoogieIcfgContainer [2024-09-11 20:48:09,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:09,017 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:09,017 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:09,018 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:09,018 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:08" (1/4) ... [2024-09-11 20:48:09,018 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22bf1fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,019 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 08:48:08" (2/4) ... [2024-09-11 20:48:09,019 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22bf1fbe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,019 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 08:48:08" (3/4) ... [2024-09-11 20:48:09,019 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22bf1fbe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,019 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:09" (4/4) ... [2024-09-11 20:48:09,020 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound1.c [2024-09-11 20:48:09,023 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:09,024 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:09,024 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:48:09,024 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:09,025 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:09,025 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:09,025 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 20:48:09,025 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 20:48:09,025 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:48:09,066 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:09,067 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,067 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,076 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:09,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,102 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:09,124 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:48:09,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,191 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:48:09,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,207 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:09,218 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:09,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,235 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:09,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,236 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,241 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:09,257 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:09,257 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,280 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:48:09,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,281 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,281 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,286 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:09,295 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:09,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,297 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,303 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:09,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,304 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,304 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,304 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,307 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:09,318 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:09,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,321 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:09,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,324 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:09,334 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:09,334 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,334 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,334 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,335 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,336 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:09,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,337 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,337 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,339 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:09,343 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:09,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22bf1fbe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,343 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:09,346 INFO L158 Benchmark]: Toolchain (without parser) took 951.60ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 71.3MB in the beginning and 108.5MB in the end (delta: -37.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:09,346 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:09,347 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:09,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.82ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 71.2MB in the beginning and 167.4MB in the end (delta: -96.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:09,348 INFO L158 Benchmark]: Boogie Preprocessor took 37.68ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 165.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:09,348 INFO L158 Benchmark]: RCFGBuilder took 332.84ms. Allocated memory is still 199.2MB. Free memory was 165.3MB in the beginning and 148.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:09,348 INFO L158 Benchmark]: Referee took 326.21ms. Allocated memory is still 199.2MB. Free memory was 148.5MB in the beginning and 108.5MB in the end (delta: 40.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:09,352 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 32 to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 15. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 50. 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 0.17ms. Allocated memory is still 146.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.82ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 71.2MB in the beginning and 167.4MB in the end (delta: -96.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.68ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 165.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.84ms. Allocated memory is still 199.2MB. Free memory was 165.3MB in the beginning and 148.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 326.21ms. Allocated memory is still 199.2MB. Free memory was 148.5MB in the beginning and 108.5MB in the end (delta: 40.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:09,380 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/bresenham-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:11,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:11,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:11,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:11,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:12,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:12,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:12,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:12,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:12,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:12,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:12,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:12,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:12,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:12,032 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:12,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:12,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:12,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:12,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:12,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:12,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:12,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:12,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:12,040 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:12,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:12,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:12,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:12,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:12,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:12,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:12,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:12,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:12,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:12,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:12,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:12,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:12,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:12,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:12,053 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:12,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:12,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:12,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:12,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:12,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:12,056 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:12,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:12,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:12,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:12,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:12,337 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:12,338 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:12,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:48:12,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:12,387 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:12,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-09-11 20:48:13,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:13,920 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:13,920 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2024-09-11 20:48:13,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3b9ec1223/e8c92fd8208e4d09bb50b5236704165f/FLAGa43fe55b5 [2024-09-11 20:48:13,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3b9ec1223/e8c92fd8208e4d09bb50b5236704165f [2024-09-11 20:48:13,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:13,939 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:13,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:13,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:13,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:13,944 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 08:48:12" (1/2) ... [2024-09-11 20:48:13,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf0171a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,945 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 08:48:12" (1/2) ... [2024-09-11 20:48:13,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a27e60a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:13" (2/2) ... [2024-09-11 20:48:13,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf0171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:13" (2/2) ... [2024-09-11 20:48:13,952 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:13,953 INFO L1541 ArrayList]: Loop invariant at [L32-L47] (((((((((((__int128) X * y) * 2) + X) + v) == ((((__int128) Y * x) * 2) + ((long long) 2 * Y))) && (Y <= 1)) && (0 <= Y)) && (X <= 1)) && ((((X + v) + (2 * ((__int128) x * y))) == ((((__int128) 2 * y) + (((__int128) Y * x) * 2)) + ((long long) 2 * Y))) || (x < ((long long) X + 1)))) && (0 <= X)) [2024-09-11 20:48:13,953 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:13,953 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:13,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:14,081 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/bresenham-ll_valuebound1.c[597,610] [2024-09-11 20:48:14,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:14,104 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:14,130 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/bresenham-ll_valuebound1.c[597,610] Start Parsing Local [2024-09-11 20:48:14,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:14,165 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:14,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14 WrapperNode [2024-09-11 20:48:14,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:14,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:14,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:14,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:14,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,196 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:14,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:14,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:14,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:14,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:14,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (1/1) ... [2024-09-11 20:48:14,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:14,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:14,249 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 20:48:14,254 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 20:48:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:14,359 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:14,361 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:15,706 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:15,784 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:15,784 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:15,800 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:15,801 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:15,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:15 BoogieIcfgContainer [2024-09-11 20:48:15,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:15,802 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:15,802 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:15,802 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:15,802 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 08:48:12" (1/4) ... [2024-09-11 20:48:15,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1f7729 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:15, skipping insertion in model container [2024-09-11 20:48:15,803 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:13" (2/4) ... [2024-09-11 20:48:15,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1f7729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:15, skipping insertion in model container [2024-09-11 20:48:15,803 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:14" (3/4) ... [2024-09-11 20:48:15,803 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1f7729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:15, skipping insertion in model container [2024-09-11 20:48:15,804 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:15" (4/4) ... [2024-09-11 20:48:15,805 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound1.c [2024-09-11 20:48:15,807 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:15,808 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:15,808 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:48:15,809 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:15,809 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:15,809 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:15,809 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 20:48:15,809 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 20:48:15,809 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:15,845 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:15,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:15,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:15,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:15,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:15,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:15,868 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:15,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:15,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:15,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:15,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:15,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:15,890 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:15,910 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:48:15,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:15,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:15,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:15,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:15,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:15,977 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-11 20:48:15,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:15,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:15,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:15,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:15,987 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:20,648 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:20,828 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:20,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:20,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:20,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:20,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:20,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,839 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:20,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:20,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:20,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:20,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:20,853 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:20,866 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:20,866 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:20,866 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:20,866 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:20,866 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:20,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,887 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:48:20,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:20,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:20,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:20,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:25,175 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:25,290 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:25,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:25,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:25,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:25,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:25,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:25,300 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:25,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:25,301 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:25,301 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:25,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:25,301 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,543 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:29,630 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:29,631 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,633 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:29,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,633 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,633 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,636 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:29,641 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:29,641 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,641 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,642 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:29,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,643 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,643 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,643 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,643 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,647 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:29,650 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:29,650 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1f7729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,650 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:29,653 INFO L158 Benchmark]: Toolchain (without parser) took 15711.65ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 28.7MB in the beginning and 40.6MB in the end (delta: -11.9MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,654 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 21.3MB in the beginning and 21.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:29,654 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 46.1MB. Free memory was 29.4MB in the beginning and 29.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:29,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.20ms. Allocated memory is still 62.9MB. Free memory was 28.5MB in the beginning and 34.0MB in the end (delta: -5.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,656 INFO L158 Benchmark]: Boogie Preprocessor took 51.73ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 31.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,657 INFO L158 Benchmark]: RCFGBuilder took 1582.29ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 29.9MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,657 INFO L158 Benchmark]: Referee took 13848.52ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 40.6MB in the end (delta: -10.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,660 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 32 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 50. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 15. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 21.3MB in the beginning and 21.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 46.1MB. Free memory was 29.4MB in the beginning and 29.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.20ms. Allocated memory is still 62.9MB. Free memory was 28.5MB in the beginning and 34.0MB in the end (delta: -5.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.73ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 31.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1582.29ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 29.9MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 13848.52ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 40.6MB in the end (delta: -10.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:29,788 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN