This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:01:45,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:01:45,268 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:01:45,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:01:45,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:01:45,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:01:45,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:01:45,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:01:45,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:01:45,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:01:45,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:01:45,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:01:45,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:01:45,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:01:45,320 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:01:45,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:01:45,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:01:45,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:01:45,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:01:45,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:01:45,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:01:45,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:01:45,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:01:45,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:01:45,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:01:45,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:01:45,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:01:45,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:01:45,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:01:45,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:01:45,325 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:01:45,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:01:45,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:01:45,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:01:45,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:01:45,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:01:45,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:01:45,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:01:45,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:01:45,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:01:45,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:01:45,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:01:45,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:01:45,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:01:45,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:01:45,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:01:45,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:01:45,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:01:45,610 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:01:45,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/lu.cmp.c [2024-09-13 05:01:46,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:01:47,176 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:01:47,176 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c [2024-09-13 05:01:47,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a6eeaaad8/9d8fccc740ea4029a034646b364629cf/FLAG3747d0ca7 [2024-09-13 05:01:47,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a6eeaaad8/9d8fccc740ea4029a034646b364629cf [2024-09-13 05:01:47,563 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:01:47,563 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:01:47,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml [2024-09-13 05:01:47,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:01:47,615 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:01:47,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:01:47,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:01:47,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:01:47,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:01:47" (1/2) ... [2024-09-13 05:01:47,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a799a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:01:47" (1/2) ... [2024-09-13 05:01:47,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fce8f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,627 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 05:01:47" (2/2) ... [2024-09-13 05:01:47,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a799a28 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,627 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 05:01:47" (2/2) ... [2024-09-13 05:01:47,634 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:01:47,635 INFO L1541 ArrayList]: Loop invariant at [L93-L104] ((i <= 49) && (5 == n)) [2024-09-13 05:01:47,635 INFO L1541 ArrayList]: Loop invariant at [L96-L101] ((i <= 5) && (5 == n)) [2024-09-13 05:01:47,635 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:01:47,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:01:47,816 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c[318,331] [2024-09-13 05:01:47,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:01:47,877 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:01:47,914 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c[318,331] Start Parsing Local Start Parsing Local [2024-09-13 05:01:47,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:01:47,949 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:01:47,950 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47 WrapperNode [2024-09-13 05:01:47,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:01:47,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:01:47,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:01:47,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:01:47,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,986 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-09-13 05:01:47,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:48,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:48,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:48,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:48,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:48,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:01:48,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:01:48,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:01:48,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:01:48,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:48,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:01:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:01:48,069 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 05:01:48,073 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 05:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2024-09-13 05:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2024-09-13 05:01:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:01:48,118 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:01:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:01:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:01:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:01:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2024-09-13 05:01:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2024-09-13 05:01:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:01:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-09-13 05:01:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-09-13 05:01:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:01:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:01:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:01:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:01:48,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:01:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:01:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:01:48,233 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:01:48,236 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:01:48,560 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:01:48,569 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:01:48,615 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:01:48,615 INFO L318 CfgBuilder]: Removed 11 assume(true) statements. [2024-09-13 05:01:48,616 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:01:48 BoogieIcfgContainer [2024-09-13 05:01:48,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:01:48,617 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:01:48,617 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:01:48,618 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:01:48,618 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:01:47" (1/4) ... [2024-09-13 05:01:48,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ce4b436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:01:48, skipping insertion in model container [2024-09-13 05:01:48,619 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 05:01:47" (2/4) ... [2024-09-13 05:01:48,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ce4b436 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:01:48, skipping insertion in model container [2024-09-13 05:01:48,619 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:47" (3/4) ... [2024-09-13 05:01:48,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ce4b436 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:01:48, skipping insertion in model container [2024-09-13 05:01:48,620 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:01:48" (4/4) ... [2024-09-13 05:01:48,621 INFO L79 RefereeObserver]: Analyzing ICFG lu.cmp.c [2024-09-13 05:01:48,625 INFO L112 InvariantChecker]: Found 11 loops. [2024-09-13 05:01:48,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:01:48,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L93-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:01:48,627 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:01:48,627 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:01:48,627 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 05:01:48,627 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 05:01:48,628 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 05:01:48,628 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-13 05:01:48,690 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 05:01:48,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,693 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,714 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-13 05:01:48,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,742 INFO L514 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:48,762 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:48,762 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,762 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,765 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:48,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,776 INFO L514 InvariantChecker]: The annotation(s) from loop head L93-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:48,800 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:01:48,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,804 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:01:48,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,808 INFO L514 InvariantChecker]: The annotation(s) from loop head L96-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:01:48,827 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 05:01:48,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,836 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:01:48,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,837 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,838 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,838 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,843 INFO L514 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:48,863 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:01:48,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,865 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:01:48,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,866 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,871 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:48,887 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:01:48,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,891 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:01:48,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,897 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:01:48,914 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:48,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:48,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:48,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:48,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:48,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,916 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:48,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:48,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:48,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:48,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:48,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:48,921 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:01:48,924 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:01:48,925 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ce4b436 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:01:48, skipping insertion in model container [2024-09-13 05:01:48,925 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:01:48,928 INFO L158 Benchmark]: Toolchain (without parser) took 1312.43ms. Allocated memory was 134.2MB in the beginning and 211.8MB in the end (delta: 77.6MB). Free memory was 62.4MB in the beginning and 119.4MB in the end (delta: -57.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-09-13 05:01:48,928 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:48,929 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:48,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.02ms. Allocated memory was 134.2MB in the beginning and 211.8MB in the end (delta: 77.6MB). Free memory was 62.1MB in the beginning and 179.2MB in the end (delta: -117.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-13 05:01:48,930 INFO L158 Benchmark]: Boogie Preprocessor took 80.57ms. Allocated memory is still 211.8MB. Free memory was 179.2MB in the beginning and 176.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:01:48,932 INFO L158 Benchmark]: RCFGBuilder took 584.60ms. Allocated memory is still 211.8MB. Free memory was 176.1MB in the beginning and 153.0MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-13 05:01:48,932 INFO L158 Benchmark]: Referee took 308.12ms. Allocated memory is still 211.8MB. Free memory was 153.0MB in the beginning and 119.4MB in the end (delta: 33.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-13 05:01:48,935 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 93 to loop head at line 96. Annotation is valid for all loop-free paths from loop head at line 96 to check that procedure precondition always holds at line 96. 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 96 to loop head at line 93. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 93. 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. Annotation is valid for all loop-free paths from loop head at line 96 to loop head at line 96. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.02ms. Allocated memory was 134.2MB in the beginning and 211.8MB in the end (delta: 77.6MB). Free memory was 62.1MB in the beginning and 179.2MB in the end (delta: -117.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.57ms. Allocated memory is still 211.8MB. Free memory was 179.2MB in the beginning and 176.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.60ms. Allocated memory is still 211.8MB. Free memory was 176.1MB in the beginning and 153.0MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 308.12ms. Allocated memory is still 211.8MB. Free memory was 153.0MB in the beginning and 119.4MB in the end (delta: 33.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:01:48,966 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...