This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:01:44,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:01:44,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:01:44,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:01:44,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:01:44,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:01:44,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:01:44,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:01:44,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:01:44,789 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:01:44,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:01:44,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:01:44,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:01:44,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:01:44,793 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:01:44,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:01:44,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:01:44,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:01:44,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:01:44,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:01:44,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:01:44,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:01:44,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:01:44,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:01:44,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:01:44,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:01:44,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:01:44,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:01:44,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:01:44,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:01:44,798 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:01:44,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:01:44,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:01:44,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:01:44,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:01:44,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:01:44,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:01:44,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:01:44,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:01:44,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:01:44,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:01:44,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:01:44,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:01:44,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:01:45,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:01:45,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:01:45,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:01:45,059 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:01:45,060 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:01:45,061 INFO L431 ainManager$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 05:01:45,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:01:45,139 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:01:45,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/heavy-2.c [2024-09-13 05:01:46,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:01:46,661 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:01:46,661 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c [2024-09-13 05:01:46,667 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f8e5baaf5/0792cb9e57494a2389184b2d8b3c31c3/FLAGad37d4516 [2024-09-13 05:01:46,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f8e5baaf5/0792cb9e57494a2389184b2d8b3c31c3 [2024-09-13 05:01:46,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:01:46,680 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:01:46,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:01:46,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:01:46,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:01:46,688 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 05:01:45" (1/2) ... [2024-09-13 05:01:46,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb17adc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:46, skipping insertion in model container [2024-09-13 05:01:46,689 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 05:01:45" (1/2) ... [2024-09-13 05:01:46,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd11ff8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:46, skipping insertion in model container [2024-09-13 05:01:46,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:01:46" (2/2) ... [2024-09-13 05:01:46,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb17adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:46, skipping insertion in model container [2024-09-13 05:01:46,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:01:46" (2/2) ... [2024-09-13 05:01:46,700 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:01:46,700 INFO L1541 ArrayList]: Loop invariant at [L13-L15] (a == 1) [2024-09-13 05:01:46,700 INFO L1541 ArrayList]: Loop invariant at [L14-L15] (a == 1) [2024-09-13 05:01:46,700 INFO L1541 ArrayList]: Loop invariant at [L12-L15] (a == 1) [2024-09-13 05:01:46,700 INFO L1541 ArrayList]: Location invariant before [L8-L23] 0 [2024-09-13 05:01:46,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:01:46,871 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 05:01:46,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:01:46,963 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:01:46,995 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 05:01:47,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:01:47,061 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:01:47,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47 WrapperNode [2024-09-13 05:01:47,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:01:47,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:01:47,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:01:47,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:01:47,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,081 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,093 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 05:01:47,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:01:47,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:01:47,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:01:47,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:01:47,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (1/1) ... [2024-09-13 05:01:47,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:01:47,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:01:47,135 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 05:01:47,137 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 05:01:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:01:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:01:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:01:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:01:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:01:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:01:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:01:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:01:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:01:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:01:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-09-13 05:01:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-09-13 05:01:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:01:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:01:47,239 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:01:47,241 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:01:47,345 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:01:47,372 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:01:47,372 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-13 05:01:47,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:01:47 BoogieIcfgContainer [2024-09-13 05:01:47,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:01:47,373 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:01:47,373 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:01:47,374 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:01:47,377 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 05:01:45" (1/4) ... [2024-09-13 05:01:47,377 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@421376c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:01:46" (2/4) ... [2024-09-13 05:01:47,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@421376c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:47" (3/4) ... [2024-09-13 05:01:47,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@421376c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:01:47" (4/4) ... [2024-09-13 05:01:47,379 INFO L79 RefereeObserver]: Analyzing ICFG heavy-2.c [2024-09-13 05:01:47,382 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-13 05:01:47,382 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:01:47,383 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:01:47,383 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to error location, 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 05:01:47,415 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:01:47,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,431 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:01:47,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,457 INFO L514 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:47,476 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:47,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,477 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,477 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,477 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,483 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:47,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,486 INFO L514 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:47,505 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:47,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,507 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,507 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,510 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:47,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,518 INFO L514 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:47,536 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:47,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,546 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:47,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,549 INFO L514 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:47,556 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:01:47,556 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,557 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,557 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:01:47,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,558 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,558 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,582 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:01:47,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,589 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:01:47,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,592 INFO L514 InvariantChecker]: The annotation(s) from loop head L12-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:01:47,603 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:01:47,603 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,608 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:01:47,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,613 INFO L514 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:47,622 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:01:47,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:47,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:47,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:47,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:47,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,625 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:01:47,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:47,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:47,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:47,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:47,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:47,627 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:47,634 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:01:47,634 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@421376c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:01:47, skipping insertion in model container [2024-09-13 05:01:47,635 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:01:47,637 INFO L158 Benchmark]: Toolchain (without parser) took 956.27ms. Allocated memory is still 190.8MB. Free memory was 118.5MB in the beginning and 102.0MB in the end (delta: 16.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-09-13 05:01:47,637 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 190.8MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:47,638 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 164.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:47,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.50ms. Allocated memory is still 190.8MB. Free memory was 118.5MB in the beginning and 137.6MB in the end (delta: -19.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-09-13 05:01:47,639 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 190.8MB. Free memory was 137.6MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:01:47,640 INFO L158 Benchmark]: RCFGBuilder took 261.74ms. Allocated memory is still 190.8MB. Free memory was 135.6MB in the beginning and 121.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:01:47,640 INFO L158 Benchmark]: Referee took 262.82ms. Allocated memory is still 190.8MB. Free memory was 121.9MB in the beginning and 102.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:01:47,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 8. One counterexample starts in \old(argc)=2 and ends in \old(argc)=2, argc=2. 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 a call to reach_error is unreachable at line 8. 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. 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 entry of procedure main to loop head at line 12. Annotation is valid for all loop-free paths from loop head at line 12 to loop head at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 190.8MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 164.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.50ms. Allocated memory is still 190.8MB. Free memory was 118.5MB in the beginning and 137.6MB in the end (delta: -19.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.17ms. Allocated memory is still 190.8MB. Free memory was 137.6MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.74ms. Allocated memory is still 190.8MB. Free memory was 135.6MB in the beginning and 121.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 262.82ms. Allocated memory is still 190.8MB. Free memory was 121.9MB in the beginning and 102.0MB in the end (delta: 19.9MB). 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 05:01:47,675 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...