./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/overflow_1-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/overflow_1-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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/overflow_1-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/overflow_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 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:13,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:13,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:13,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:13,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:13,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:13,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:13,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:13,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:13,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:13,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:13,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:13,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:13,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:13,875 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:13,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:13,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:13,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:13,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:13,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:13,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:13,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:13,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:13,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:13,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:13,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:13,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:13,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:13,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:13,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:13,881 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:13,881 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:13,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:13,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:13,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:13,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:13,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:13,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:13,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:13,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:13,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:13,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:13,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:13,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:14,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:14,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:14,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:14,158 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:14,159 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:14,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/overflow_1-1.yml/witness-2.1.yml [2024-09-13 05:02:14,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:14,207 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:14,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/overflow_1-1.c [2024-09-13 05:02:15,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:15,794 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:15,794 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/overflow_1-1.c [2024-09-13 05:02:15,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b5b123a4b/7843c8b2e4334168828ad685bf5d3b7c/FLAGb566ab3b0 [2024-09-13 05:02:16,195 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b5b123a4b/7843c8b2e4334168828ad685bf5d3b7c [2024-09-13 05:02:16,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:16,196 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:16,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:16,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:16,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:16,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/2) ... [2024-09-13 05:02:16,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66492a91 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/2) ... [2024-09-13 05:02:16,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b19049f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:16" (2/2) ... [2024-09-13 05:02:16,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66492a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:16" (2/2) ... [2024-09-13 05:02:16,215 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:16,216 INFO L1541 ArrayList]: Loop invariant at [L15-L17] ((x % 2) == 0) [2024-09-13 05:02:16,216 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:02:16,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:16,370 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/overflow_1-1.c[324,337] [2024-09-13 05:02:16,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:16,400 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:16,438 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/overflow_1-1.c[324,337] Start Parsing Local [2024-09-13 05:02:16,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:16,460 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:16,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16 WrapperNode [2024-09-13 05:02:16,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:16,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:16,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:16,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:16,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,491 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 [2024-09-13 05:02:16,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:16,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:16,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:16,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:16,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (1/1) ... [2024-09-13 05:02:16,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:16,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:16,543 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) [2024-09-13 05:02:16,546 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 [2024-09-13 05:02:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:02:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:02:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:02:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:16,652 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:16,654 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:16,728 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:16,740 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:16,768 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:16,769 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:16,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:16 BoogieIcfgContainer [2024-09-13 05:02:16,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:16,774 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:16,774 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:16,775 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:16,775 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:14" (1/4) ... [2024-09-13 05:02:16,776 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,776 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:16" (2/4) ... [2024-09-13 05:02:16,776 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,776 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:16" (3/4) ... [2024-09-13 05:02:16,776 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:16, skipping insertion in model container [2024-09-13 05:02:16,777 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:16" (4/4) ... [2024-09-13 05:02:16,782 INFO L79 RefereeObserver]: Analyzing ICFG overflow_1-1.c [2024-09-13 05:02:16,786 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:16,789 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L15-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:16,789 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:16,790 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L15-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:02:16,791 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:02:16,792 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:02:16,792 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-13 05:02:16,841 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:16,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,867 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:16,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,871 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,894 INFO L514 InvariantChecker]: The annotation(s) from loop head L15-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:16,906 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:02:16,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,910 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,912 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:02:16,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,922 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:16,933 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:02:16,937 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,946 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:02:16,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,960 INFO L514 InvariantChecker]: The annotation(s) from loop head L15-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:16,971 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:16,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,974 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,982 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:16,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,986 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:16,992 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:16,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:16,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:16,993 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:16,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:16,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,996 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:16,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:16,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:16,996 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:16,997 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:16,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:16,999 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:17,003 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:02:17,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a8adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:17, skipping insertion in model container [2024-09-13 05:02:17,003 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:17,006 INFO L158 Benchmark]: Toolchain (without parser) took 808.02ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 81.5MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:17,007 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:17,007 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:17,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 105.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:17,009 INFO L158 Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:17,010 INFO L158 Benchmark]: RCFGBuilder took 263.43ms. Allocated memory is still 172.0MB. Free memory was 103.6MB in the beginning and 92.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:17,011 INFO L158 Benchmark]: Referee took 229.60ms. Allocated memory is still 172.0MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:17,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 15. Annotation is valid for all loop-free paths from loop head at line 15 to loop head at line 15. Annotation is valid for all loop-free paths from loop head at line 15 to check that procedure precondition always holds at line 15. 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 7. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 172.0MB. Free memory was 119.2MB in the beginning and 105.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.23ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 263.43ms. Allocated memory is still 172.0MB. Free memory was 103.6MB in the beginning and 92.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 229.60ms. Allocated memory is still 172.0MB. Free memory was 92.4MB in the beginning and 81.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:17,041 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE