This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:29,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:29,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:29,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:29,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:29,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:29,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:29,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:29,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:29,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:29,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:29,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:29,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:29,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:29,922 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:29,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:29,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:29,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:29,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:29,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:29,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:29,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:29,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:29,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:29,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:29,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:29,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:29,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:29,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:29,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:29,931 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:29,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:29,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:29,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:29,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:29,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:29,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:29,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:29,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:29,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:29,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:29,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:29,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:29,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:30,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:30,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:30,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:30,201 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:30,202 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:30,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested9.yml/witness-2.1.yml [2024-09-21 12:47:30,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:30,287 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:30,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nested9.i [2024-09-21 12:47:31,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:31,878 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:31,880 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i [2024-09-21 12:47:31,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/78a10ae57/f15bda89cecf48a99308e91fefb06614/FLAG543576f74 [2024-09-21 12:47:31,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/78a10ae57/f15bda89cecf48a99308e91fefb06614 [2024-09-21 12:47:31,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:31,901 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:31,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:31,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:31,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:31,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:30" (1/2) ... [2024-09-21 12:47:31,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae9eba1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:31, skipping insertion in model container [2024-09-21 12:47:31,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:30" (1/2) ... [2024-09-21 12:47:31,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53d122e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:31, skipping insertion in model container [2024-09-21 12:47:31,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:31" (2/2) ... [2024-09-21 12:47:31,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae9eba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:31, skipping insertion in model container [2024-09-21 12:47:31,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:31" (2/2) ... [2024-09-21 12:47:31,924 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:31,924 INFO L1541 ArrayList]: Loop invariant at [L36-L37] ((((((long long) i + 1) <= n) && (((long long) j + 1) <= ((long long) i * 3))) && (k <= (i + ((long long) n * 2)))) && (((long long) i * 2) <= j)) [2024-09-21 12:47:31,925 INFO L1541 ArrayList]: Loop invariant at [L34-L37] (((((i <= ((long long) n + 1)) && (2 <= n)) && (1 <= i)) || ((i == 1) && (0 <= n))) || (i == 0)) [2024-09-21 12:47:31,925 INFO L1541 ArrayList]: Loop invariant at [L35-L37] (((((((long long) i + 1) <= n) && (j <= ((i + ((long long) n * 2)) + 1))) && (((long long) i * 2) <= j)) && (1 <= i)) || (((1 <= n) && (j == 0)) && (i == 0))) [2024-09-21 12:47:31,925 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:47:31,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:32,087 WARN L248 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-invgen/nested9.i[893,906] [2024-09-21 12:47:32,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:32,119 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:32,159 WARN L248 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-invgen/nested9.i[893,906] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:32,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:32,191 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:32,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32 WrapperNode [2024-09-21 12:47:32,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:32,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:32,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:32,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:32,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,219 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 [2024-09-21 12:47:32,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:32,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:32,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:32,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:32,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (1/1) ... [2024-09-21 12:47:32,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:32,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:32,267 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) [2024-09-21 12:47:32,269 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 [2024-09-21 12:47:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:32,369 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:32,373 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:32,515 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:32,528 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:32,551 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:32,551 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 12:47:32,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:32 BoogieIcfgContainer [2024-09-21 12:47:32,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:32,553 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:32,553 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:32,553 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:32,554 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:30" (1/4) ... [2024-09-21 12:47:32,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5473ae24 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:32, skipping insertion in model container [2024-09-21 12:47:32,554 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:31" (2/4) ... [2024-09-21 12:47:32,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5473ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:32, skipping insertion in model container [2024-09-21 12:47:32,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:32" (3/4) ... [2024-09-21 12:47:32,555 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5473ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:32, skipping insertion in model container [2024-09-21 12:47:32,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:32" (4/4) ... [2024-09-21 12:47:32,556 INFO L79 RefereeObserver]: Analyzing ICFG nested9.i [2024-09-21 12:47:32,559 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-21 12:47:32,560 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:47:32,560 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:47:32,561 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:47:32,561 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:47:32,561 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:47:32,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:47:32,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:32,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:32,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:32,563 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-21 12:47:32,618 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:47:32,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,652 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:47:32,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,681 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:32,694 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:32,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,695 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,704 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:32,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,711 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:32,728 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:47:32,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,738 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:47:32,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,744 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:32,755 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:32,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,763 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 12:47:32,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,775 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:32,790 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:32,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,802 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 12:47:32,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,807 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:32,818 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:32,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,823 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:32,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,824 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,845 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:32,862 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:32,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,865 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:32,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,871 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,874 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:32,884 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:32,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,909 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:32,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,921 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:32,929 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:32,929 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:32,930 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:32,930 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:32,930 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:32,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,932 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:32,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:32,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:32,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:32,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:32,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:32,936 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:32,939 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:32,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5473ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:32, skipping insertion in model container [2024-09-21 12:47:32,940 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:32,942 INFO L158 Benchmark]: Toolchain (without parser) took 1040.03ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 127.0MB in the end (delta: 10.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:32,943 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:32,943 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:32,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.62ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 122.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:32,944 INFO L158 Benchmark]: Boogie Preprocessor took 39.53ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 120.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:32,945 INFO L158 Benchmark]: RCFGBuilder took 318.71ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 106.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:32,945 INFO L158 Benchmark]: Referee took 387.62ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 127.0MB in the end (delta: -20.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:32,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 19. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.62ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 122.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.53ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 120.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.71ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 106.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 387.62ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 127.0MB in the end (delta: -20.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:32,975 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...