This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:06:55,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:06:55,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:06:55,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:06:55,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:06:55,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:06:55,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:06:55,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:06:55,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:06:55,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:06:55,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:06:55,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:06:55,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:06:55,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:06:55,279 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:06:55,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:06:55,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:06:55,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:06:55,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:06:55,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:06:55,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:06:55,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:06:55,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:06:55,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:06:55,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:06:55,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:06:55,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:06:55,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:06:55,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:06:55,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:06:55,287 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:06:55,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:06:55,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:06:55,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:06:55,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:06:55,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:06:55,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:06:55,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:06:55,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:06:55,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:06:55,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:06:55,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:06:55,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:06:55,292 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:06:55,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:06:55,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:06:55,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:06:55,575 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:06:55,576 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:06:55,578 INFO L431 ainManager$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 [2024-09-13 10:06:55,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:06:55,633 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:06:55,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/heavy-2.c [2024-09-13 10:06:57,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:06:57,206 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:06:57,207 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c [2024-09-13 10:06:57,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/aa85db4cd/c243c5e569764cb98a10bee4dfe18219/FLAG1a4b17ea9 [2024-09-13 10:06:57,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/aa85db4cd/c243c5e569764cb98a10bee4dfe18219 [2024-09-13 10:06:57,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:06:57,225 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:06:57,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:06:57,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:06:57,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:06:57,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:06:55" (1/2) ... [2024-09-13 10:06:57,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad32ff1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:06:55" (1/2) ... [2024-09-13 10:06:57,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b5b8d7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:06:57" (2/2) ... [2024-09-13 10:06:57,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad32ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:06:57" (2/2) ... [2024-09-13 10:06:57,244 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:06:57,244 INFO L1541 ArrayList]: Loop invariant at [L13-L15] (a == 1) [2024-09-13 10:06:57,244 INFO L1541 ArrayList]: Location invariant before [L21-L21] 0 [2024-09-13 10:06:57,244 INFO L1541 ArrayList]: Loop invariant at [L14-L15] (a == 1) [2024-09-13 10:06:57,244 INFO L1541 ArrayList]: Loop invariant at [L12-L15] (a == 1) [2024-09-13 10:06:57,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:06:57,384 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c[600,613] [2024-09-13 10:06:57,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:06:57,450 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:06:57,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c[600,613] Start Parsing Local [2024-09-13 10:06:57,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:06:57,554 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:06:57,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57 WrapperNode [2024-09-13 10:06:57,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:06:57,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:06:57,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:06:57,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:06:57,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,610 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]. [2024-09-13 10:06:57,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:06:57,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:06:57,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:06:57,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:06:57,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:06:57,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:06:57,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:06:57,656 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:06:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:06:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:06:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:06:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:06:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:06:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:06:57,775 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:06:57,777 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:06:57,908 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:06:57,936 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:06:57,937 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-13 10:06:57,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:06:57 BoogieIcfgContainer [2024-09-13 10:06:57,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:06:57,938 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:06:57,938 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:06:57,939 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:06:57,939 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:06:55" (1/4) ... [2024-09-13 10:06:57,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc09465 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,940 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:06:57" (2/4) ... [2024-09-13 10:06:57,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc09465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,940 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (3/4) ... [2024-09-13 10:06:57,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc09465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,941 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:06:57" (4/4) ... [2024-09-13 10:06:57,942 INFO L79 RefereeObserver]: Analyzing ICFG heavy-2.c [2024-09-13 10:06:57,945 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-13 10:06:57,946 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:06:57,946 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:06:57,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:06:57,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:06:57,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:06:57,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-13 10:06:57,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:06:57,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:06:57,947 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:06:57,985 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:06:57,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:57,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:57,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:57,989 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:57,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,006 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:06:58,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,011 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,036 INFO L514 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,059 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:06:58,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,063 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,072 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:06:58,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,073 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,073 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,076 INFO L514 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,093 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,099 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,100 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,100 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,104 INFO L514 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,121 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,128 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,130 INFO L514 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,143 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,143 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,144 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,151 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,153 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,153 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,156 INFO L514 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,166 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 10:06:58,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,167 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,167 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,170 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:06:58,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,172 INFO L514 InvariantChecker]: The annotation(s) from loop head L12-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:06:58,177 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:06:58,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,181 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:06:58,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,184 INFO L514 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,189 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:06:58,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,191 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:06:58,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,196 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,199 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:06:58,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bc09465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:06:58, skipping insertion in model container [2024-09-13 10:06:58,199 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:06:58,201 INFO L158 Benchmark]: Toolchain (without parser) took 974.59ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 99.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,201 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,201 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.78ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 135.9MB in the end (delta: -27.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,202 INFO L158 Benchmark]: Boogie Preprocessor took 69.70ms. Allocated memory is still 165.7MB. Free memory was 135.9MB in the beginning and 133.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,203 INFO L158 Benchmark]: RCFGBuilder took 310.97ms. Allocated memory is still 165.7MB. Free memory was 133.0MB in the beginning and 119.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,204 INFO L158 Benchmark]: Referee took 261.51ms. Allocated memory is still 165.7MB. Free memory was 119.3MB in the beginning and 99.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,206 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 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 entry of procedure main 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. 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 14 to loop head at line 14. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.78ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 135.9MB in the end (delta: -27.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.70ms. Allocated memory is still 165.7MB. Free memory was 135.9MB in the beginning and 133.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 310.97ms. Allocated memory is still 165.7MB. Free memory was 133.0MB in the beginning and 119.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 261.51ms. Allocated memory is still 165.7MB. Free memory was 119.3MB in the beginning and 99.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:06:58,244 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...