./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/nested_1-1.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1-1.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/loop-acceleration/nested_1-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1-1.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:10:33,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:10:33,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:10:33,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:10:33,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:10:33,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:10:33,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:10:33,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:10:33,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:10:33,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:10:33,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:10:33,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:10:33,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:10:33,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:10:33,596 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:10:33,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:10:33,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:10:33,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:10:33,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:10:33,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:10:33,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:10:33,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:10:33,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:10:33,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:10:33,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:10:33,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:10:33,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:10:33,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:10:33,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:10:33,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:10:33,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:10:33,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:10:33,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:33,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:10:33,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:10:33,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:10:33,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:10:33,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:10:33,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:10:33,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:10:33,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:10:33,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:10:33,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:10:33,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:10:33,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:10:33,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:10:33,891 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:10:33,892 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:10:33,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1-1.yml/witness-2.1.yml [2024-09-12 20:10:33,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:10:33,936 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:10:33,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2024-09-12 20:10:35,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:10:35,565 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:10:35,566 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2024-09-12 20:10:35,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fac3246d3/3a2031fb0e6a425db2bc8461ca5f4d6e/FLAGa11a4d1ba [2024-09-12 20:10:35,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fac3246d3/3a2031fb0e6a425db2bc8461ca5f4d6e [2024-09-12 20:10:35,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:10:35,951 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:10:35,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:10:35,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:10:35,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:10:35,960 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 08:10:33" (1/2) ... [2024-09-12 20:10:35,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58169c15 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:10:35, skipping insertion in model container [2024-09-12 20:10:35,963 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 08:10:33" (1/2) ... [2024-09-12 20:10:35,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@601bb68b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:10:35, skipping insertion in model container [2024-09-12 20:10:35,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:10:35" (2/2) ... [2024-09-12 20:10:35,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58169c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:35, skipping insertion in model container [2024-09-12 20:10:35,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:10:35" (2/2) ... [2024-09-12 20:10:35,975 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:10:35,975 INFO L1541 ArrayList]: Loop invariant at [L19-L21] ((x == 0) || (((x % 4294967296) <= 268435454) && (((x + 4294967295) % 4294967296) <= 268435454))) [2024-09-12 20:10:35,975 INFO L1541 ArrayList]: Loop invariant at [L16-L24] ((x == 0) || (((x + 4294967295) % 4294967296) < 268435455)) [2024-09-12 20:10:35,975 INFO L1541 ArrayList]: Function contract at [L5]: requires ((0 <= \old(cond)) && (\old(cond) <= 1)), ensures ((0 <= \old(cond)) && (\old(cond) <= 1)) [2024-09-12 20:10:35,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:10:36,143 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/loop-acceleration/nested_1-1.c[322,335] [2024-09-12 20:10:36,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:10:36,175 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:10:36,212 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/loop-acceleration/nested_1-1.c[322,335] Start Parsing Local Start Parsing Local [2024-09-12 20:10:36,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:10:36,242 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:10:36,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36 WrapperNode [2024-09-12 20:10:36,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:10:36,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:10:36,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:10:36,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:10:36,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,277 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 20:10:36,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:10:36,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:10:36,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:10:36,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:10:36,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (1/1) ... [2024-09-12 20:10:36,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:36,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:10:36,316 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 20:10:36,318 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 20:10:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:10:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:10:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:10:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:10:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:10:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:10:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:10:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:10:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:10:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:10:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:10:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:10:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:10:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:10:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:10:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:10:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:10:36,413 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:10:36,415 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:10:36,611 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:10:36,662 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-12 20:10:36,662 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:10:36,694 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:10:36,694 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 20:10:36,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:10:36 BoogieIcfgContainer [2024-09-12 20:10:36,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:10:36,698 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:10:36,698 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:10:36,699 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:10:36,699 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 08:10:33" (1/4) ... [2024-09-12 20:10:36,699 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1703ce11 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:10:36, skipping insertion in model container [2024-09-12 20:10:36,700 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:10:35" (2/4) ... [2024-09-12 20:10:36,700 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1703ce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:10:36, skipping insertion in model container [2024-09-12 20:10:36,700 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:36" (3/4) ... [2024-09-12 20:10:36,700 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1703ce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:10:36, skipping insertion in model container [2024-09-12 20:10:36,700 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:10:36" (4/4) ... [2024-09-12 20:10:36,702 INFO L79 RefereeObserver]: Analyzing ICFG nested_1-1.c [2024-09-12 20:10:36,704 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 20:10:36,705 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 20:10:36,705 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-8 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 20:10:36,705 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-8 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:10:36,705 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-8 to ERROR_LOC mainErr11ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-8 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-8 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-8 to ERROR_LOC mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-8 to ERROR_LOC mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:10:36,706 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-8 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:10:36,707 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-8 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:10:36,707 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 20:10:36,707 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-8 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:10:36,707 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 20:10:36,707 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location [2024-09-12 20:10:36,744 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:10:36,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,745 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,762 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:10:36,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,783 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:36,803 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:10:36,805 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,805 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,809 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:10:36,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,813 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-8 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:36,826 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:36,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,833 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:36,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,835 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-8 to error location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:36,844 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 20:10:36,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,850 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:10:36,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,877 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:10:36,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,884 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:10:36,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,888 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,906 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:10:36,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,907 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,908 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:10:36,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,909 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,912 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:36,924 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:36,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,926 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:36,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,929 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:36,938 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:36,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,941 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:36,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,946 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-8 to error location mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:36,956 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:10:36,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,958 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,958 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,961 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 20:10:36,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,964 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,967 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-8 to error location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:36,974 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:10:36,976 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,977 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,977 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,977 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,979 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:10:36,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:36,988 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-8 to error location mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:36,995 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:10:36,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:36,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:36,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:36,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:36,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,998 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:10:36,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:36,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:36,998 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:36,998 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:36,998 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:37,000 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-8 to error location mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:37,008 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-09-12 20:10:37,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:37,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:37,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:37,009 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:37,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,010 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-09-12 20:10:37,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:37,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:37,010 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:37,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:37,014 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-8 to error location mainErr12REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:10:37,022 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:10:37,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:37,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:37,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:37,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:37,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,025 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:10:37,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:37,026 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:37,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:37,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:37,030 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:10:37,041 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:10:37,041 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:37,041 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:37,042 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:37,042 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:37,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,043 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:10:37,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:37,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:37,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:37,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:37,046 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-8 to error location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:37,055 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:37,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:37,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:37,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:37,056 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:37,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,058 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:37,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:37,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:37,059 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:37,059 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:37,059 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:37,075 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:10:37,076 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1703ce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:10:37, skipping insertion in model container [2024-09-12 20:10:37,076 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:10:37,078 INFO L158 Benchmark]: Toolchain (without parser) took 1125.85ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 79.8MB in the end (delta: 45.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-12 20:10:37,078 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:10:37,079 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:10:37,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.76ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 110.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:10:37,081 INFO L158 Benchmark]: Boogie Preprocessor took 44.66ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:10:37,081 INFO L158 Benchmark]: RCFGBuilder took 405.83ms. Allocated memory is still 155.2MB. Free memory was 108.3MB in the beginning and 115.8MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 20:10:37,082 INFO L158 Benchmark]: Referee took 377.89ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 79.8MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-12 20:10:37,086 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 19 to check that invariant of correctness witness holds at line 16. One counterexample starts in x=268435455, y=10 and ends in . Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is not valid for all loop-free paths from loop head at line 19 to check that invariant of correctness witness holds at line 19. One counterexample starts in x=268435456, y=0 and ends in y=1. Annotation is valid for all loop-free paths from loop head at line 19 to check that integer overflow can never occur at line 19. Annotation is valid for all loop-free paths from loop head at line 19 to check that integer overflow can never occur at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that integer overflow can never occur at line 19. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 16. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. 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 19 to check that integer overflow can never occur at line 19. Annotation is valid for all loop-free paths from loop head at line 19 to check that integer overflow can never occur at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that invariant of correctness witness holds at line 19. Annotation is valid for all loop-free paths from loop head at line 16 to check that integer overflow can never occur at line 19. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.76ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 110.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.66ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.83ms. Allocated memory is still 155.2MB. Free memory was 108.3MB in the beginning and 115.8MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 377.89ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 79.8MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:10:37,120 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