./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:50:05,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:05,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:50:05,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:05,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:05,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:05,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:05,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:05,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:05,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:05,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:05,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:05,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:05,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:05,686 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:05,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:05,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:05,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:05,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:50:05,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:05,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:05,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:05,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:05,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:05,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:05,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:05,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:05,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:05,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:05,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:05,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:05,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:05,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:05,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:05,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:05,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:05,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:50:05,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:50:05,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:05,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:05,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:05,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:05,692 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:05,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:05,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:05,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:05,929 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:05,930 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:05,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:50:06,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:06,001 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:06,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-09-11 20:50:07,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:07,402 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:07,402 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-09-11 20:50:07,410 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f73f5d5e6/03d8226f6f47409aba6fa20224932b28/FLAGbca763b65 [2024-09-11 20:50:07,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f73f5d5e6/03d8226f6f47409aba6fa20224932b28 [2024-09-11 20:50:07,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:07,803 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:07,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:07,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:07,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:07,811 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 08:50:05" (1/2) ... [2024-09-11 20:50:07,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1684deaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:07, skipping insertion in model container [2024-09-11 20:50:07,812 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 08:50:05" (1/2) ... [2024-09-11 20:50:07,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78177c4f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:07, skipping insertion in model container [2024-09-11 20:50:07,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:07" (2/2) ... [2024-09-11 20:50:07,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1684deaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:07, skipping insertion in model container [2024-09-11 20:50:07,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:07" (2/2) ... [2024-09-11 20:50:07,821 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:07,821 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:50:07,821 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:07,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:07,991 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/fermat2-ll_valuebound5.c[524,537] [2024-09-11 20:50:08,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:08,022 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:08,050 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/fermat2-ll_valuebound5.c[524,537] Start Parsing Local [2024-09-11 20:50:08,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:08,073 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:08,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08 WrapperNode [2024-09-11 20:50:08,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:08,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:08,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:08,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:08,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,102 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:50:08,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:08,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:08,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:08,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:08,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (1/1) ... [2024-09-11 20:50:08,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:08,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:08,147 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 20:50:08,149 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 20:50:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:50:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:50:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:08,250 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:08,252 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:08,351 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:08,386 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:08,386 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:08,401 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:08,401 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:08,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:08 BoogieIcfgContainer [2024-09-11 20:50:08,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:08,402 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:08,402 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:08,403 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:08,403 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 08:50:05" (1/4) ... [2024-09-11 20:50:08,403 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d3d7ec8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:08, skipping insertion in model container [2024-09-11 20:50:08,403 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:07" (2/4) ... [2024-09-11 20:50:08,404 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d3d7ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:08, skipping insertion in model container [2024-09-11 20:50:08,404 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:08" (3/4) ... [2024-09-11 20:50:08,404 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d3d7ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:08, skipping insertion in model container [2024-09-11 20:50:08,404 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:08" (4/4) ... [2024-09-11 20:50:08,405 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound5.c [2024-09-11 20:50:08,412 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:08,413 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:08,413 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:08,413 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 20:50:08,414 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:08,414 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 20:50:08,414 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 20:50:08,414 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:50:08,457 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:08,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,495 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:08,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,525 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:08,542 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:08,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,546 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,551 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:08,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,557 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:08,571 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:08,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,593 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:08,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,598 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:08,613 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:08,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,628 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:08,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,633 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:08,643 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:08,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,643 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,643 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,647 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:08,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,656 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:08,668 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:08,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,670 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:08,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,671 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,674 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:08,677 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:50:08,677 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d3d7ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:08, skipping insertion in model container [2024-09-11 20:50:08,677 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:08,679 INFO L158 Benchmark]: Toolchain (without parser) took 874.29ms. Allocated memory is still 155.2MB. Free memory was 86.5MB in the beginning and 76.1MB in the end (delta: 10.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:08,679 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:08,680 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 155.2MB. Free memory was 131.0MB in the beginning and 130.9MB in the end (delta: 117.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:08,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.14ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 118.8MB in the end (delta: -32.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:08,681 INFO L158 Benchmark]: Boogie Preprocessor took 45.51ms. Allocated memory is still 155.2MB. Free memory was 118.8MB in the beginning and 116.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:08,681 INFO L158 Benchmark]: RCFGBuilder took 281.00ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 101.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:08,681 INFO L158 Benchmark]: Referee took 274.98ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 76.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:08,685 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 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. 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 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.69ms. Allocated memory is still 155.2MB. Free memory was 131.0MB in the beginning and 130.9MB in the end (delta: 117.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.14ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 118.8MB in the end (delta: -32.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.51ms. Allocated memory is still 155.2MB. Free memory was 118.8MB in the beginning and 116.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.00ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 101.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 274.98ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 76.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:08,709 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/fermat2-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:50:10,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:10,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:50:10,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:10,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:10,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:10,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:10,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:10,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:10,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:10,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:10,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:10,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:10,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:10,701 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:10,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:10,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:10,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:10,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:10,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:10,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:10,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:10,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:10,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:50:10,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:50:10,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:10,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:50:10,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:10,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:10,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:10,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:10,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:10,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:10,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:10,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:10,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:10,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:10,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:10,705 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:50:10,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:50:10,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:10,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:10,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:10,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:10,710 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:50:10,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:10,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:10,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:10,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:10,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:10,985 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:10,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-09-11 20:50:12,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:12,528 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:12,528 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-09-11 20:50:12,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fb431f133/705ece91b9ff4c15b31325d9b58a7e16/FLAGbecad27b1 [2024-09-11 20:50:12,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fb431f133/705ece91b9ff4c15b31325d9b58a7e16 [2024-09-11 20:50:12,942 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:12,944 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:12,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:50:12,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:12,993 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:12,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:12,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:12,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:13,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:12" (1/2) ... [2024-09-11 20:50:13,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7445bb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:12" (1/2) ... [2024-09-11 20:50:13,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5912114a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,005 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 08:50:12" (2/2) ... [2024-09-11 20:50:13,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7445bb31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,006 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 08:50:12" (2/2) ... [2024-09-11 20:50:13,016 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:13,017 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:50:13,017 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:13,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:13,156 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/fermat2-ll_valuebound5.c[524,537] [2024-09-11 20:50:13,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:13,203 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:13,237 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/fermat2-ll_valuebound5.c[524,537] Start Parsing Local [2024-09-11 20:50:13,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:13,257 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:13,258 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:13 WrapperNode [2024-09-11 20:50:13,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:13,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:13,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:13,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:13,269 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,269 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,278 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,290 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:50:13,294 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,294 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,302 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,307 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,308 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,310 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:13,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:13,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:13,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:13,317 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:13,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:13,342 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 20:50:13,344 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 20:50:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:13,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:13,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:50:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:50:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:13,454 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:13,457 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:19,349 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:19,427 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:19,427 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:19,446 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:19,446 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:19,447 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:19 BoogieIcfgContainer [2024-09-11 20:50:19,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:19,447 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:19,448 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:19,448 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:19,448 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:12" (1/4) ... [2024-09-11 20:50:19,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@374fe939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,449 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 08:50:12" (2/4) ... [2024-09-11 20:50:19,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@374fe939 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,449 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 08:50:13" (3/4) ... [2024-09-11 20:50:19,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@374fe939 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,450 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 08:50:19" (4/4) ... [2024-09-11 20:50:19,451 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound5.c [2024-09-11 20:50:19,454 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:19,455 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:19,455 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:19,455 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 20:50:19,456 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:19,456 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 20:50:19,456 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 20:50:19,456 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:50:19,507 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:19,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,551 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:19,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,567 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,719 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:19,770 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:19,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,776 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:19,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:23,910 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:23,966 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:23,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:23,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:23,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:23,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:23,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,992 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:23,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:23,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:23,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:23,993 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:28,047 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:28,084 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:28,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:28,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:28,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:28,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:28,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:28,119 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:28,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:28,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:28,119 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:28,119 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:28,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:32,440 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:32,554 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:32,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:32,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:32,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:32,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:32,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:32,561 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:32,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:32,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:32,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:32,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:32,562 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:32,564 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:32,574 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:32,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:32,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:32,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:32,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:32,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:32,576 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:32,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:32,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:32,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:32,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:32,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:32,580 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:32,583 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:32,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@374fe939 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:32, skipping insertion in model container [2024-09-11 20:50:32,584 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:32,585 INFO L158 Benchmark]: Toolchain (without parser) took 19591.76ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 33.2MB in the beginning and 90.5MB in the end (delta: -57.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:32,586 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 48.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:32,586 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:32,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.06ms. Allocated memory is still 71.3MB. Free memory was 33.0MB in the beginning and 40.6MB in the end (delta: -7.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-11 20:50:32,587 INFO L158 Benchmark]: Boogie Preprocessor took 53.27ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 38.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:32,587 INFO L158 Benchmark]: RCFGBuilder took 6134.36ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 38.4MB in the beginning and 100.6MB in the end (delta: -62.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:32,588 INFO L158 Benchmark]: Referee took 13136.43ms. Allocated memory is still 130.0MB. Free memory was 100.6MB in the beginning and 90.5MB in the end (delta: 10.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:32,591 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 35 to loop head at line 35. 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 entry of procedure main 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. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 48.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.06ms. Allocated memory is still 71.3MB. Free memory was 33.0MB in the beginning and 40.6MB in the end (delta: -7.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.27ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 38.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6134.36ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 38.4MB in the beginning and 100.6MB in the end (delta: -62.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 13136.43ms. Allocated memory is still 130.0MB. Free memory was 100.6MB in the beginning and 90.5MB in the end (delta: 10.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:32,680 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN