This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:16,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:16,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:16,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:16,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:16,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:16,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:16,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:16,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:16,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:16,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:16,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:16,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:16,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:16,258 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:16,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:16,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:16,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:16,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:16,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:16,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:16,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:16,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:16,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:16,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:16,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:16,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:16,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:16,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:16,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:16,262 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:16,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:16,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:16,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:16,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:16,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:16,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:16,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:16,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:16,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:16,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:16,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:16,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:16,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:16,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:16,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:16,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:16,527 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:16,528 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:16,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/heavy-2.yml/witness-2.1.yml [2024-09-25 11:45:16,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:16,584 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:16,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/heavy-2.c [2024-09-25 11:45:18,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:18,244 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:18,245 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c [2024-09-25 11:45:18,256 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b86ffa306/647d7bd510844cc4b9681195802d4d9b/FLAG55b61ab37 [2024-09-25 11:45:18,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b86ffa306/647d7bd510844cc4b9681195802d4d9b [2024-09-25 11:45:18,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:18,276 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:18,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:18,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:18,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:18,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:16" (1/2) ... [2024-09-25 11:45:18,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5d02d5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:18, skipping insertion in model container [2024-09-25 11:45:18,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:16" (1/2) ... [2024-09-25 11:45:18,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@601e58ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:18, skipping insertion in model container [2024-09-25 11:45:18,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:18" (2/2) ... [2024-09-25 11:45:18,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5d02d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18, skipping insertion in model container [2024-09-25 11:45:18,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:18" (2/2) ... [2024-09-25 11:45:18,299 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:18,300 INFO L1541 ArrayList]: Loop invariant at [L12-L15] (a == 1) [2024-09-25 11:45:18,300 INFO L1541 ArrayList]: Loop invariant at [L13-L15] (a == 1) [2024-09-25 11:45:18,300 INFO L1541 ArrayList]: Loop invariant at [L14-L15] (a == 1) [2024-09-25 11:45:18,300 INFO L1541 ArrayList]: Location invariant before [L21-L21] 0 [2024-09-25 11:45:18,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:18,478 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/heavy-2.c[600,613] [2024-09-25 11:45:18,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:18,531 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:18,573 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/heavy-2.c[600,613] Start Parsing Local [2024-09-25 11:45:18,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:18,657 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:18,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18 WrapperNode [2024-09-25 11:45:18,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:18,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:18,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:18,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:18,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,701 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-09-25 11:45:18,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:18,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:18,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:18,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:18,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (1/1) ... [2024-09-25 11:45:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:18,763 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) [2024-09-25 11:45:18,765 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 [2024-09-25 11:45:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 11:45:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-25 11:45:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 11:45:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-25 11:45:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 11:45:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-25 11:45:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-09-25 11:45:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-09-25 11:45:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:18,909 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:18,911 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:19,056 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:19,088 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:19,088 INFO L317 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-25 11:45:19,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:19 BoogieIcfgContainer [2024-09-25 11:45:19,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:19,089 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:19,090 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:19,091 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:19,091 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:16" (1/4) ... [2024-09-25 11:45:19,092 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a07553a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:19, skipping insertion in model container [2024-09-25 11:45:19,092 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:18" (2/4) ... [2024-09-25 11:45:19,092 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a07553a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:19, skipping insertion in model container [2024-09-25 11:45:19,092 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:18" (3/4) ... [2024-09-25 11:45:19,092 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a07553a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:19, skipping insertion in model container [2024-09-25 11:45:19,093 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:19" (4/4) ... [2024-09-25 11:45:19,094 INFO L79 RefereeObserver]: Analyzing ICFG heavy-2.c [2024-09-25 11:45:19,097 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-25 11:45:19,098 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:45:19,099 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:45:19,099 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:19,099 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:19,116 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:19,116 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-25 11:45:19,116 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:45:19,116 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:45:19,117 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:45:19,166 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:45:19,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,190 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 11:45:19,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,195 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,217 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,240 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:45:19,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,249 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 11:45:19,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,250 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,252 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,262 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:19,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,268 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:19,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,273 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,294 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:19,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,297 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:19,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,304 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,322 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:45:19,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,334 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:45:19,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,336 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,337 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,348 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 11:45:19,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,350 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,354 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:45:19,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,354 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,356 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:45:19,368 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:45:19,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,376 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 11:45:19,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,380 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,391 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:45:19,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:19,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:19,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:19,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:19,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,399 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:45:19,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:19,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:19,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:19,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:19,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:19,407 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:19,410 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:45:19,411 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a07553a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:45:19, skipping insertion in model container [2024-09-25 11:45:19,411 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:45:19,413 INFO L158 Benchmark]: Toolchain (without parser) took 1135.57ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 105.9MB in the beginning and 176.4MB in the end (delta: -70.4MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2024-09-25 11:45:19,414 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:19,415 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 157.3MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:19,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.38ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 58.4MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:19,416 INFO L158 Benchmark]: Boogie Preprocessor took 65.41ms. Allocated memory is still 157.3MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:19,416 INFO L158 Benchmark]: RCFGBuilder took 363.65ms. Allocated memory is still 157.3MB. Free memory was 56.3MB in the beginning and 43.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:45:19,417 INFO L158 Benchmark]: Referee took 322.14ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 43.0MB in the beginning and 176.4MB in the end (delta: -133.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-09-25 11:45:19,420 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 12 to check that a call to reach_error is unreachable at line 21. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 12. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 13. Annotation is valid for all loop-free paths from loop head at line 12 to check that invariant of correctness witness holds at line 21. Annotation is valid for all loop-free paths from loop head at line 12 to loop head at line 13. Annotation is valid for all loop-free paths from loop head at line 13 to loop head at line 12. Annotation is valid for all loop-free paths from loop head at line 13 to loop head at line 14. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.98ms. Allocated memory is still 157.3MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.38ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 58.4MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.41ms. Allocated memory is still 157.3MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.65ms. Allocated memory is still 157.3MB. Free memory was 56.3MB in the beginning and 43.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 322.14ms. Allocated memory was 157.3MB in the beginning and 224.4MB in the end (delta: 67.1MB). Free memory was 43.0MB in the beginning and 176.4MB in the end (delta: -133.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:45:19,453 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...