This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:44,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:44,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:44,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:44,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:44,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:44,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:44,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:44,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:44,155 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:44,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:44,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:44,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:44,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:44,159 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:44,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:44,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:44,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:44,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:44,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:44,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:44,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:44,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:44,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:44,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:44,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:44,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:44,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:44,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:44,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:44,164 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:44,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:44,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:44,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:44,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:44,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:44,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:44,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:44,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:44,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:44,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:44,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:44,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:44,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:44,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:44,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:44,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:44,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:44,433 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:44,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-09-21 12:47:45,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:46,180 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:46,181 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-09-21 12:47:46,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/718c9c5b1/2039362f9dfe44ceb232b3605bf2f42f/FLAG2993dcc7b [2024-09-21 12:47:46,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/718c9c5b1/2039362f9dfe44ceb232b3605bf2f42f [2024-09-21 12:47:46,217 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:46,218 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:46,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex1b.yml/witness-2.1.yml [2024-09-21 12:47:46,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:46,272 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:46,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:46,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:46,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:46,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:46" (1/2) ... [2024-09-21 12:47:46,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fac91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:46, skipping insertion in model container [2024-09-21 12:47:46,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:46" (1/2) ... [2024-09-21 12:47:46,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@131dcc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:46, skipping insertion in model container [2024-09-21 12:47:46,283 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 12:47:46" (2/2) ... [2024-09-21 12:47:46,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fac91e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:46, skipping insertion in model container [2024-09-21 12:47:46,284 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 12:47:46" (2/2) ... [2024-09-21 12:47:46,294 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:46,295 INFO L1541 ArrayList]: Loop invariant at [L16-L25] (i < 101) [2024-09-21 12:47:46,295 INFO L1541 ArrayList]: Loop invariant at [L18-L21] ((i <= 99) && (j <= 100)) [2024-09-21 12:47:46,295 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:46,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:46,473 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-lit/hh2012-ex1b.i[800,813] [2024-09-21 12:47:46,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:46,504 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:46,546 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-lit/hh2012-ex1b.i[800,813] Start Parsing Local Start Parsing Local [2024-09-21 12:47:46,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:46,564 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:46,564 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:46 WrapperNode [2024-09-21 12:47:46,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:46,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:46,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:46,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:46,578 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,578 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,583 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,596 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 12:47:46,596 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,596 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,603 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,606 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,608 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,609 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:46,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:46,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:46,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:46,617 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 21.09 12:47:46" (1/1) ... [2024-09-21 12:47:46,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:46,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:46,647 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 12:47:46,650 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 12:47:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:47:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:47:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:46,810 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:46,812 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:46,925 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:46,938 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:46,967 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:46,968 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:47:46,968 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:46 BoogieIcfgContainer [2024-09-21 12:47:46,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:46,973 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:46,973 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:46,974 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:46,974 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:46" (1/4) ... [2024-09-21 12:47:46,974 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@521a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:46, skipping insertion in model container [2024-09-21 12:47:46,974 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 12:47:46" (2/4) ... [2024-09-21 12:47:46,974 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@521a67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:46, skipping insertion in model container [2024-09-21 12:47:46,974 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 21.09 12:47:46" (3/4) ... [2024-09-21 12:47:46,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@521a67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:46, skipping insertion in model container [2024-09-21 12:47:46,975 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:46" (4/4) ... [2024-09-21 12:47:46,976 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex1b.i [2024-09-21 12:47:46,981 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:47:46,982 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:46,982 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:46,982 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:47:46,983 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:47:46,983 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:47:46,983 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:47:46,983 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 12:47:46,983 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 12:47:46,984 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 12:47:46,984 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:46,984 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-21 12:47:47,022 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:47,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,023 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,045 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:47,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,048 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,066 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:47,081 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:47,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,087 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:47,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,101 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:47,117 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:47,118 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,118 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,118 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,119 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:47,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,127 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:47,138 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:47:47,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,153 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-21 12:47:47,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,158 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:47,165 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:47,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,168 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:47,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,169 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,169 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,175 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:47,181 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:47:47,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,185 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:47:47,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,187 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:47,198 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 12:47:47,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,204 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:47:47,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,207 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,210 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:47,216 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:47,217 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,221 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:47,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,226 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:47,233 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:47,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,236 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:47,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,237 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,244 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:47,251 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:47,251 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:47,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:47,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:47,252 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:47,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,255 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:47,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:47,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:47,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:47,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:47,257 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:47,259 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:47,264 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:47,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@521a67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:47, skipping insertion in model container [2024-09-21 12:47:47,265 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:47,266 INFO L158 Benchmark]: Toolchain (without parser) took 993.60ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 77.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:47:47,268 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:47,269 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:47,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.40ms. Allocated memory is still 138.4MB. Free memory was 82.8MB in the beginning and 69.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:47,270 INFO L158 Benchmark]: Boogie Preprocessor took 49.33ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:47,270 INFO L158 Benchmark]: RCFGBuilder took 356.51ms. Allocated memory is still 138.4MB. Free memory was 67.9MB in the beginning and 102.1MB in the end (delta: -34.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:47,271 INFO L158 Benchmark]: Referee took 292.01ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 77.5MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-21 12:47:47,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 24. 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 16 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.40ms. Allocated memory is still 138.4MB. Free memory was 82.8MB in the beginning and 69.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.33ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 67.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.51ms. Allocated memory is still 138.4MB. Free memory was 67.9MB in the beginning and 102.1MB in the end (delta: -34.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 292.01ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 77.5MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:47,300 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...