./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-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/fermat1-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-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 20:49:25,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:25,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:25,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:25,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:25,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:25,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:25,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:25,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:25,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:25,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:25,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:25,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:25,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:25,136 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:25,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:25,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:25,137 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:25,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:25,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:25,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:25,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:25,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:25,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:25,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:25,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:25,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:25,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:25,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:25,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:25,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:25,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:25,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:25,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:25,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:25,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:25,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:25,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:25,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:25,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:25,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:25,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:25,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:25,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:25,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:25,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:25,418 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:25,419 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:25,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:25,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:25,508 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:25,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2024-09-11 20:49:26,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:27,168 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:27,169 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2024-09-11 20:49:27,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b71fdb356/a0100e381a924e1da5a4d3616c043066/FLAG2b9cd9fa4 [2024-09-11 20:49:27,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b71fdb356/a0100e381a924e1da5a4d3616c043066 [2024-09-11 20:49:27,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:27,537 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:27,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:27,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:27,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:27,544 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 08:49:25" (1/2) ... [2024-09-11 20:49:27,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42543530 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,547 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 08:49:25" (1/2) ... [2024-09-11 20:49:27,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3203675e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:27" (2/2) ... [2024-09-11 20:49:27,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42543530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27, skipping insertion in model container [2024-09-11 20:49:27,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:27" (2/2) ... [2024-09-11 20:49:27,562 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:27,563 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && ((A % 2) == 1)) && (0 <= A)) [2024-09-11 20:49:27,563 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && ((A % 2) == 1)) && (0 <= A)) [2024-09-11 20:49:27,563 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && ((A % 2) == 1)) && (0 <= A)) [2024-09-11 20:49:27,563 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:27,564 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:27,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:27,749 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/fermat1-ll_valuebound1.c[535,548] [2024-09-11 20:49:27,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:27,791 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:27,842 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/fermat1-ll_valuebound1.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:27,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:27,900 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:27,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27 WrapperNode [2024-09-11 20:49:27,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:27,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:27,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:27,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:27,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,940 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 20:49:27,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:27,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:27,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:27,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:27,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (1/1) ... [2024-09-11 20:49:27,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:27,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:27,996 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 20:49:27,998 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 20:49:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:28,126 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:28,130 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:28,360 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:28,425 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:28,425 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:28,444 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:28,444 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:28,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:28 BoogieIcfgContainer [2024-09-11 20:49:28,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:28,447 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:28,447 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:28,448 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:28,449 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 08:49:25" (1/4) ... [2024-09-11 20:49:28,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f10686f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:28, skipping insertion in model container [2024-09-11 20:49:28,449 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:27" (2/4) ... [2024-09-11 20:49:28,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f10686f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:28, skipping insertion in model container [2024-09-11 20:49:28,449 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:27" (3/4) ... [2024-09-11 20:49:28,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f10686f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:28, skipping insertion in model container [2024-09-11 20:49:28,450 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:28" (4/4) ... [2024-09-11 20:49:28,453 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound1.c [2024-09-11 20:49:28,457 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:28,458 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 20:49:28,458 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:28,458 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:28,458 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:28,458 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:28,458 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:28,459 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:28,459 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:28,459 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:28,459 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:28,459 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 20:49:28,459 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 20:49:28,460 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:28,462 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:28,525 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:28,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,537 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:28,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,561 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:28,597 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:28,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,604 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:28,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,604 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,604 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,604 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,607 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:28,641 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:28,642 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,642 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,642 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,642 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,648 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:28,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,651 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:28,704 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:28,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,763 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:28,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,770 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:28,790 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:28,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,801 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:28,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,806 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:28,825 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:28,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,839 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:28,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,841 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,844 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:28,866 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:28,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,879 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:28,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,883 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:28,902 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:28,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,916 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:28,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,917 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,923 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:28,938 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:28,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,938 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,951 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:28,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,952 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,954 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,955 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:28,970 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:28,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,980 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:28,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,984 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:28,998 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:28,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,002 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:29,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,004 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:29,006 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:29,019 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:29,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:29,020 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:29,020 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:29,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:29,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,022 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:29,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,023 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:29,025 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:29,044 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:29,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:29,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:29,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:29,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:29,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,049 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:29,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:29,053 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:29,056 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:29,057 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f10686f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,057 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:29,060 INFO L158 Benchmark]: Toolchain (without parser) took 1522.23ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 68.2MB in the end (delta: 57.3MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:29,060 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:29,061 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:29,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.01ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 110.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:29,062 INFO L158 Benchmark]: Boogie Preprocessor took 51.88ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:29,063 INFO L158 Benchmark]: RCFGBuilder took 489.57ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 90.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:29,063 INFO L158 Benchmark]: Referee took 609.56ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 68.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:29,068 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 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.01ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 110.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.88ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.57ms. Allocated memory is still 157.3MB. Free memory was 108.7MB in the beginning and 90.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 609.56ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 68.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:29,100 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-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 20:49:31,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:31,405 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:31,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:31,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:31,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:31,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:31,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:31,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:31,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:31,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:31,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:31,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:31,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:31,453 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:31,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:31,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:31,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:31,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:31,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:31,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:31,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:31,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:31,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:31,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:31,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:31,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:31,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:31,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:31,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:31,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:31,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:31,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:31,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:31,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:31,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:31,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:31,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:31,465 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:31,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:31,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:31,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:31,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:31,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:31,467 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:31,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:31,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:31,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:31,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:31,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:31,811 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:31,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2024-09-11 20:49:33,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:33,627 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:33,628 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2024-09-11 20:49:33,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7d16912de/369a7f4d08b54c218b2df42bcd416631/FLAG84edd3756 [2024-09-11 20:49:33,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7d16912de/369a7f4d08b54c218b2df42bcd416631 [2024-09-11 20:49:33,989 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:33,989 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:33,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:34,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:34,048 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:34,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:34,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:34,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:34,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:33" (1/2) ... [2024-09-11 20:49:34,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c008618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:34, skipping insertion in model container [2024-09-11 20:49:34,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:33" (1/2) ... [2024-09-11 20:49:34,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fdc7cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:34, skipping insertion in model container [2024-09-11 20:49:34,057 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 08:49:34" (2/2) ... [2024-09-11 20:49:34,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c008618 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:34, skipping insertion in model container [2024-09-11 20:49:34,058 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 08:49:34" (2/2) ... [2024-09-11 20:49:34,071 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:34,076 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && ((A % 2) == 1)) && (0 <= A)) [2024-09-11 20:49:34,076 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && ((A % 2) == 1)) && (0 <= A)) [2024-09-11 20:49:34,076 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) && ((A % 2) == 1)) && (0 <= A)) [2024-09-11 20:49:34,076 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:34,076 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:34,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:34,260 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/fermat1-ll_valuebound1.c[535,548] [2024-09-11 20:49:34,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:34,315 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:34,359 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/fermat1-ll_valuebound1.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:34,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:34,414 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:34,414 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:34 WrapperNode [2024-09-11 20:49:34,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:34,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:34,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:34,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:34,439 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,439 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,451 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,469 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 20:49:34,469 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,470 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,482 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,490 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,491 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,492 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:34,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:34,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:34,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:34,503 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 08:49:34" (1/1) ... [2024-09-11 20:49:34,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:34,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:34,534 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 20:49:34,537 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 20:49:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:34,667 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:34,669 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:50,852 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:50,946 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:50,946 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:50,975 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:50,975 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:50,976 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:50 BoogieIcfgContainer [2024-09-11 20:49:50,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:50,976 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:50,977 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:50,981 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:50,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:33" (1/4) ... [2024-09-11 20:49:50,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3411df38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:50, skipping insertion in model container [2024-09-11 20:49:50,985 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 08:49:34" (2/4) ... [2024-09-11 20:49:50,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3411df38 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:50, skipping insertion in model container [2024-09-11 20:49:50,985 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 08:49:34" (3/4) ... [2024-09-11 20:49:50,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3411df38 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:50, skipping insertion in model container [2024-09-11 20:49:50,985 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 08:49:50" (4/4) ... [2024-09-11 20:49:50,987 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound1.c [2024-09-11 20:49:50,990 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:50,991 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 20:49:50,991 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:50,992 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:50,993 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:50,993 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:50,993 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:50,993 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:50,993 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:50,994 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:50,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:50,995 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 20:49:50,995 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 20:49:50,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:50,995 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location [2024-09-11 20:49:51,065 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:51,067 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:51,067 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:51,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:51,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:51,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:51,081 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:51,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:51,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:51,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:51,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:51,088 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:51,103 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:51,145 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:51,149 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:51,149 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:51,150 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:51,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:51,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:51,159 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:51,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:51,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:51,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:51,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:51,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:55,319 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:55,391 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:55,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:55,393 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:55,394 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:55,394 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:55,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:55,403 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:55,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:55,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:55,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:55,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:55,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:59,548 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:59,616 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:59,618 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:59,618 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:59,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:59,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:59,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,637 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:59,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:59,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:59,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:59,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:59,735 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:59,773 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:59,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:59,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:59,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:59,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:59,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,789 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:59,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:59,790 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:59,790 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:59,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:59,796 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:59,823 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:59,823 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:59,824 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:59,824 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:59,824 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:59,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,833 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:59,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:59,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:59,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:59,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:59,838 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:59,857 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:59,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:59,857 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:59,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:59,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:59,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,872 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:59,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:59,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:59,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:59,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:59,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,135 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:04,224 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:04,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,239 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:04,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,240 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,383 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:04,434 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:04,434 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,434 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,434 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,449 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:04,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,452 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,454 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:04,466 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:04,467 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,467 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,467 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,476 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:04,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,728 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:08,809 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:08,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,813 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:08,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,814 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,814 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,819 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:08,834 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:08,834 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,834 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,835 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:08,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,836 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,838 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:08,853 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:08,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,860 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:08,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,860 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:13,024 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:13,074 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:13,074 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3411df38 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,074 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:13,076 INFO L158 Benchmark]: Toolchain (without parser) took 39027.20ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 27.8MB in the end (delta: 16.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:13,076 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:13,077 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 67.1MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:13,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.30ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 29.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:13,078 INFO L158 Benchmark]: Boogie Preprocessor took 83.73ms. Allocated memory is still 67.1MB. Free memory was 29.1MB in the beginning and 44.4MB in the end (delta: -15.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:50:13,078 INFO L158 Benchmark]: RCFGBuilder took 16474.43ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 39.4MB in the end (delta: 5.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:13,079 INFO L158 Benchmark]: Referee took 22098.15ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 27.8MB in the end (delta: 11.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-11 20:50:13,081 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 40 to loop head at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 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 loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 40. 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 1.04ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 67.1MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.30ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 29.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.73ms. Allocated memory is still 67.1MB. Free memory was 29.1MB in the beginning and 44.4MB in the end (delta: -15.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 16474.43ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 39.4MB in the end (delta: 5.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Referee took 22098.15ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 27.8MB in the end (delta: 11.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:13,170 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