This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:17,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:17,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:17,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:17,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:17,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:17,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:17,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:17,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:17,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:17,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:17,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:17,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:17,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:17,131 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:17,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:17,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:17,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:17,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:17,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:17,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:17,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:17,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:17,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:17,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:17,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:17,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:17,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:17,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:17,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:17,140 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:17,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:17,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:17,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:17,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:17,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:17,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:17,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:17,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:17,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:17,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:17,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:17,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:17,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:17,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:17,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:17,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:17,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:17,354 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:17,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_3.c [2024-09-13 10:08:18,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:18,788 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:18,788 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_3.c [2024-09-13 10:08:18,794 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/61caa65eb/011d378259d7445c81b0b29464ec09c1/FLAG9a463148e [2024-09-13 10:08:19,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/61caa65eb/011d378259d7445c81b0b29464ec09c1 [2024-09-13 10:08:19,207 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:19,207 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:19,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.yml/witness-2.1.yml [2024-09-13 10:08:19,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:19,246 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:19,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:19,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:19,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:19,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:19" (1/2) ... [2024-09-13 10:08:19,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b39d4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:19" (1/2) ... [2024-09-13 10:08:19,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4019217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,255 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 10:08:19" (2/2) ... [2024-09-13 10:08:19,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b39d4bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,256 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 10:08:19" (2/2) ... [2024-09-13 10:08:19,263 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:19,263 INFO L1541 ArrayList]: Loop invariant at [L23-L25] (((((((((b <= 5) && (a <= 5)) && (c == 1)) || (((b <= 5) && (5 == c)) && (a <= 5))) || (((c == 6) && (b <= 5)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 3))) || (((b <= 5) && (c == 0)) && (a <= 5))) || (((b <= 5) && (c == 2)) && (a <= 5))) || (((b <= 5) && (c == 4)) && (a <= 5))) [2024-09-13 10:08:19,264 INFO L1541 ArrayList]: Loop invariant at [L21-L27] (((b == 6) && (c == 6)) && (a <= 6)) [2024-09-13 10:08:19,264 INFO L1541 ArrayList]: Loop invariant at [L22-L26] (((c == 6) && (b <= 6)) && (a <= 5)) [2024-09-13 10:08:19,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:19,395 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/loop-simple/nested_3.c[784,797] [2024-09-13 10:08:19,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:19,407 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:08:19,447 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/loop-simple/nested_3.c[784,797] [2024-09-13 10:08:19,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:19,459 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:19,459 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19 WrapperNode [2024-09-13 10:08:19,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:19,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:19,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:19,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:19,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,483 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 10:08:19,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:19,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:19,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:19,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:19,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (1/1) ... [2024-09-13 10:08:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:19,521 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 10:08:19,523 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 10:08:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:19,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:08:19,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:19,616 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:19,619 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:19,717 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:19,738 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:19,738 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-13 10:08:19,739 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:19 BoogieIcfgContainer [2024-09-13 10:08:19,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:19,739 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:19,740 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:19,740 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:19,741 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:19" (1/4) ... [2024-09-13 10:08:19,741 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5b38db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,741 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 10:08:19" (2/4) ... [2024-09-13 10:08:19,755 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5b38db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,755 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19" (3/4) ... [2024-09-13 10:08:19,756 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5b38db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,756 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:19" (4/4) ... [2024-09-13 10:08:19,757 INFO L79 RefereeObserver]: Analyzing ICFG nested_3.c [2024-09-13 10:08:19,761 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-13 10:08:19,762 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:08:19,762 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 10:08:19,762 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:19,762 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:08:19,763 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:19,763 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:19,763 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:19,763 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:19,790 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:19,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,804 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:08:19,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,823 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:19,831 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:19,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,833 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:19,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,838 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:19,848 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:19,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,851 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:19,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,858 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:19,864 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:19,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,874 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:08:19,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,887 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:19,893 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:19,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,897 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:08:19,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,902 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:19,907 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:19,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,908 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,910 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:19,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,912 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:19,916 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:19,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:19,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:19,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:19,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:19,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,922 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:19,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:19,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:19,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:19,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:19,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:19,926 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:19,928 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:19,928 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5b38db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:19, skipping insertion in model container [2024-09-13 10:08:19,929 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:19,930 INFO L158 Benchmark]: Toolchain (without parser) took 683.21ms. Allocated memory is still 174.1MB. Free memory was 101.7MB in the beginning and 124.7MB in the end (delta: -23.0MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-09-13 10:08:19,930 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:19,931 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:19,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.33ms. Allocated memory is still 174.1MB. Free memory was 101.5MB in the beginning and 88.6MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:19,931 INFO L158 Benchmark]: Boogie Preprocessor took 30.06ms. Allocated memory is still 174.1MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:19,932 INFO L158 Benchmark]: RCFGBuilder took 248.31ms. Allocated memory is still 174.1MB. Free memory was 86.2MB in the beginning and 74.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:19,932 INFO L158 Benchmark]: Referee took 189.23ms. Allocated memory is still 174.1MB. Free memory was 74.2MB in the beginning and 124.7MB in the end (delta: -50.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-13 10:08:19,934 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 22 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 22. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 21 to check that a call to reach_error is unreachable at line 29. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.33ms. Allocated memory is still 174.1MB. Free memory was 101.5MB in the beginning and 88.6MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.06ms. Allocated memory is still 174.1MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.31ms. Allocated memory is still 174.1MB. Free memory was 86.2MB in the beginning and 74.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 189.23ms. Allocated memory is still 174.1MB. Free memory was 74.2MB in the beginning and 124.7MB in the end (delta: -50.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:19,953 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...