./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sum_by_3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.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/loops-crafted-1/sum_by_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.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 [2024-09-12 16:48:53,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:53,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:53,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:53,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:53,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:53,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:53,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:53,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:53,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:53,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:53,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:53,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:53,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:53,248 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:53,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:53,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:53,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:53,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:53,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:53,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:53,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:53,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:53,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:53,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:53,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:53,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:53,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:53,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:53,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:53,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:53,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:53,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:53,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:53,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:53,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:53,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:53,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:53,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:53,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:53,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:53,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:53,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:53,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:53,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:53,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:53,536 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:53,537 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:53,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/witness-2.1.yml [2024-09-12 16:48:53,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:53,619 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:53,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-12 16:48:55,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:55,232 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:55,232 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-12 16:48:55,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/702a9fdce/af5d85886552459cbddcda58468e6ac9/FLAGd17a972ac [2024-09-12 16:48:55,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/702a9fdce/af5d85886552459cbddcda58468e6ac9 [2024-09-12 16:48:55,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:55,254 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:55,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:55,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:55,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:55,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:53" (1/2) ... [2024-09-12 16:48:55,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1b9cbb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:55, skipping insertion in model container [2024-09-12 16:48:55,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:53" (1/2) ... [2024-09-12 16:48:55,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9cd50c4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:55, skipping insertion in model container [2024-09-12 16:48:55,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:55" (2/2) ... [2024-09-12 16:48:55,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1b9cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55, skipping insertion in model container [2024-09-12 16:48:55,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:55" (2/2) ... [2024-09-12 16:48:55,275 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:55,275 INFO L1541 ArrayList]: Loop invariant at [L29-L31] ((((((SIZE == 20000001) && ((n + (4294967296 * (j / 4294967296))) <= (j + ((n / 4294967296) * 4294967296)))) && ((n + ((k / 4294967296) * 4294967296)) <= (k + ((n / 4294967296) * 4294967296)))) && (((((i + k) + j) % 4294967296) / 3) <= 20000001)) && ((((((long long) j * 2) + i) % 4294967296) / 3) <= 20000001)) && (((((long long) i * 3) % 4294967296) / 3) <= 20000001)) [2024-09-12 16:48:55,275 INFO L1541 ArrayList]: Loop invariant at [L25-L27] ((((((n % 4294967296) <= (i % 4294967296)) && (SIZE == 20000001)) && ((n % 4294967296) <= ((long long) j % 4294967296))) && ((((((long long) j * 2) + i) % 4294967296) / 3) <= 20000001)) && (((((long long) i * 3) % 4294967296) / 3) <= 20000001)) [2024-09-12 16:48:55,276 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ((((i == 0) && ((n % 4294967296) <= 20000001)) || (((((i + 4294967295) % 4294967296) + 1) <= (n % 4294967296)) && ((n % 4294967296) <= 20000001))) && (SIZE == 20000001)) [2024-09-12 16:48:55,276 INFO L1541 ArrayList]: Function contract at [L8]: requires ((\old(cond) != 0) && (SIZE == 20000001)), ensures ((\old(cond) != 0) && (SIZE == 20000001)) [2024-09-12 16:48:55,276 INFO L1541 ArrayList]: Function contract at [L16]: requires (SIZE == 20000001), ensures (SIZE == 20000001) [2024-09-12 16:48:55,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:55,431 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/loops-crafted-1/sum_by_3.c[406,419] [2024-09-12 16:48:55,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:55,459 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:55,498 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/loops-crafted-1/sum_by_3.c[406,419] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:55,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:55,543 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:55,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55 WrapperNode [2024-09-12 16:48:55,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:55,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:55,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:55,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:55,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,599 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 [2024-09-12 16:48:55,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:55,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:55,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:55,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:55,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (1/1) ... [2024-09-12 16:48:55,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:55,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:55,665 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) [2024-09-12 16:48:55,668 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 [2024-09-12 16:48:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:48:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:48:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:48:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:55,813 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:55,816 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:55,864 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:56,178 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:56,214 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:56,214 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:56,242 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:56,243 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-12 16:48:56,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:56 BoogieIcfgContainer [2024-09-12 16:48:56,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:56,245 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:56,245 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:56,246 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:56,246 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:53" (1/4) ... [2024-09-12 16:48:56,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c999340 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,248 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:55" (2/4) ... [2024-09-12 16:48:56,248 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c999340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,248 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:55" (3/4) ... [2024-09-12 16:48:56,248 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c999340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,249 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:56" (4/4) ... [2024-09-12 16:48:56,250 INFO L79 RefereeObserver]: Analyzing ICFG sum_by_3.c [2024-09-12 16:48:56,254 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-12 16:48:56,255 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:48:56,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:56,256 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,257 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,257 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:56,257 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,257 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,258 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:56,258 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:56,258 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:48:56,259 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-12 16:48:56,321 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,337 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,340 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,360 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:56,382 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 16:48:56,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,382 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,412 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:48:56,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,420 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:56,441 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,442 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,444 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,455 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,456 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,456 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,469 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:56,487 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:56,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,500 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 16:48:56,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,527 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:56,547 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,548 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,548 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,553 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,558 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:56,571 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,577 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,581 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:56,596 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:56,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,614 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 16:48:56,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,652 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,652 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,667 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,667 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,668 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,668 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,668 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,683 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:56,697 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,700 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,702 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:56,715 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:56,715 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,716 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,716 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,716 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,719 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:56,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,723 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:56,736 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:56,736 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,738 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:56,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,742 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:48:56,755 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:48:56,756 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:56,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:56,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:56,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:56,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,770 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:48:56,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:56,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:56,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:56,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:56,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:56,783 INFO L514 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:56,790 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 16:48:56,791 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c999340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,792 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:48:56,793 INFO L158 Benchmark]: Toolchain (without parser) took 1539.10ms. Allocated memory is still 182.5MB. Free memory was 112.8MB in the beginning and 54.1MB in the end (delta: 58.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:56,794 INFO L158 Benchmark]: Witness Parser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:56,795 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:56,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.07ms. Allocated memory is still 182.5MB. Free memory was 112.8MB in the beginning and 98.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:56,797 INFO L158 Benchmark]: Boogie Preprocessor took 86.68ms. Allocated memory is still 182.5MB. Free memory was 98.6MB in the beginning and 96.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:56,798 INFO L158 Benchmark]: RCFGBuilder took 608.54ms. Allocated memory is still 182.5MB. Free memory was 96.3MB in the beginning and 128.4MB in the end (delta: -32.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:56,798 INFO L158 Benchmark]: Referee took 547.12ms. Allocated memory is still 182.5MB. Free memory was 128.4MB in the beginning and 54.1MB in the end (delta: 74.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:56,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 25 to loop head at line 29. One counterexample starts in i=-2843311531, j=-12884901888, n=0, SIZE=20000001 and ends in k=0, SIZE=20000001. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 29 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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 25 to loop head at line 25. 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 10. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.07ms. Allocated memory is still 182.5MB. Free memory was 112.8MB in the beginning and 98.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.68ms. Allocated memory is still 182.5MB. Free memory was 98.6MB in the beginning and 96.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.54ms. Allocated memory is still 182.5MB. Free memory was 96.3MB in the beginning and 128.4MB in the end (delta: -32.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 547.12ms. Allocated memory is still 182.5MB. Free memory was 128.4MB in the beginning and 54.1MB in the end (delta: 74.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:56,855 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE