This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:02,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:02,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:02,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:02,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:02,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:02,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:02,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:02,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:02,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:02,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:02,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:02,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:02,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:02,820 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:02,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:02,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:02,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:02,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:02,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:02,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:02,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:02,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:02,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:02,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:02,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:02,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:02,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:02,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:02,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:02,827 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:02,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:02,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:02,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:02,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:02,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:02,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:02,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:02,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:02,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:02,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:02,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:02,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:02,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:03,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:03,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:03,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:03,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:03,128 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:03,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/lu.cmp.c [2024-09-20 13:25:04,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:04,775 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:04,776 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c [2024-09-20 13:25:04,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9fb48269e/0dbbd75b4e824f4ea004ca9b36982f0a/FLAG232ad5564 [2024-09-20 13:25:05,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9fb48269e/0dbbd75b4e824f4ea004ca9b36982f0a [2024-09-20 13:25:05,181 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:05,182 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:05,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml [2024-09-20 13:25:05,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:05,227 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:05,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:05,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:05,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:05,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:05" (1/2) ... [2024-09-20 13:25:05,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db23f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:05" (1/2) ... [2024-09-20 13:25:05,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bcb4f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:05" (2/2) ... [2024-09-20 13:25:05,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db23f5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:05" (2/2) ... [2024-09-20 13:25:05,244 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:05,245 INFO L1541 ArrayList]: Loop invariant at [L96-L101] ((i <= 5) && (5 == n)) [2024-09-20 13:25:05,245 INFO L1541 ArrayList]: Loop invariant at [L93-L104] ((i <= 49) && (5 == n)) [2024-09-20 13:25:05,245 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:25:05,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:05,416 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/loops/lu.cmp.c[318,331] [2024-09-20 13:25:05,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:05,457 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:25:05,495 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/loops/lu.cmp.c[318,331] Start Parsing Local Start Parsing Local [2024-09-20 13:25:05,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:05,550 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:05,551 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:05 WrapperNode [2024-09-20 13:25:05,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:05,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:05,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:05,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:05,565 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,565 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,573 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,581 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-09-20 13:25:05,581 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,581 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,594 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,602 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,604 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,605 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:05,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:05,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:05,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:05,610 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 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:05,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:05,637 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) [2024-09-20 13:25:05,639 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 [2024-09-20 13:25:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:25:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2024-09-20 13:25:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2024-09-20 13:25:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2024-09-20 13:25:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2024-09-20 13:25:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-09-20 13:25:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-09-20 13:25:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:25:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:25:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:25:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:25:05,807 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:05,814 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:06,153 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:25:06,165 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:06,225 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:06,227 INFO L318 CfgBuilder]: Removed 11 assume(true) statements. [2024-09-20 13:25:06,227 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:06 BoogieIcfgContainer [2024-09-20 13:25:06,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:06,228 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:06,229 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:06,230 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:06,230 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:05" (1/4) ... [2024-09-20 13:25:06,230 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d5ea19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,231 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:05" (2/4) ... [2024-09-20 13:25:06,231 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d5ea19c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,231 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 20.09 01:25:05" (3/4) ... [2024-09-20 13:25:06,232 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d5ea19c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,233 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:06" (4/4) ... [2024-09-20 13:25:06,234 INFO L79 RefereeObserver]: Analyzing ICFG lu.cmp.c [2024-09-20 13:25:06,238 INFO L113 InvariantChecker]: Found 11 loops. [2024-09-20 13:25:06,239 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:25:06,239 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L93-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:25:06,239 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:25:06,239 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:25:06,239 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:25:06,239 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:25:06,240 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:25:06,241 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:25:06,297 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:25:06,299 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,300 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,302 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,320 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-20 13:25:06,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,327 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,341 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,366 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:06,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,367 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,367 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,369 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:06,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,373 INFO L520 InvariantChecker]: The annotation(s) from loop head L93-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,397 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:25:06,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,403 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:25:06,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,404 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,409 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:06,426 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:25:06,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,433 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:25:06,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,434 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,435 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,439 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,458 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:25:06,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,460 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,460 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,460 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,462 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:25:06,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,468 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:06,483 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:06,484 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,488 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:25:06,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,490 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,493 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:25:06,508 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:06,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:06,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:06,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:06,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:06,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,512 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:06,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:06,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:06,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:06,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:06,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:06,515 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:25:06,519 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:25:06,519 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d5ea19c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:25:06, skipping insertion in model container [2024-09-20 13:25:06,520 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:25:06,521 INFO L158 Benchmark]: Toolchain (without parser) took 1293.47ms. Allocated memory is still 163.6MB. Free memory was 127.7MB in the beginning and 83.1MB in the end (delta: 44.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,522 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 75.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:06,522 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:06,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.54ms. Allocated memory is still 163.6MB. Free memory was 127.7MB in the beginning and 112.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,524 INFO L158 Benchmark]: Boogie Preprocessor took 56.11ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,526 INFO L158 Benchmark]: RCFGBuilder took 618.34ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 117.7MB in the end (delta: -7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,527 INFO L158 Benchmark]: Referee took 291.65ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 83.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:06,531 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 96 to loop head 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 check that procedure precondition always holds at line 96. 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 __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 93 to loop head at line 96. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 93. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 75.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.54ms. Allocated memory is still 163.6MB. Free memory was 127.7MB in the beginning and 112.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.11ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.34ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 117.7MB in the end (delta: -7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 291.65ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 83.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:25:06,562 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...