This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:17,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:17,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:17,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:17,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:17,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:17,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:17,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:17,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:17,804 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:17,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:17,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:17,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:17,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:17,806 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:17,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:17,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:17,807 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:17,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:17,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:17,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:17,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:17,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:17,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:17,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:17,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:17,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:17,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:17,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:17,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:17,814 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:17,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:17,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:17,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:17,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:17,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:17,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:17,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:17,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:17,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:17,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:17,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:17,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:17,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:18,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:18,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:18,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:18,076 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:18,077 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:18,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_2.yml/witness-2.1.yml [2024-09-13 10:08:18,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:18,155 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:18,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_2.c [2024-09-13 10:08:19,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:19,786 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:19,787 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_2.c [2024-09-13 10:08:19,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/738947b05/70a5b01a30644c26910306f10e7078b3/FLAG295c84566 [2024-09-13 10:08:19,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/738947b05/70a5b01a30644c26910306f10e7078b3 [2024-09-13 10:08:19,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:19,812 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:19,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:19,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:19,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:19,820 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 10:08:18" (1/2) ... [2024-09-13 10:08:19,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a2e3e0 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 10:08:19,821 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 10:08:18" (1/2) ... [2024-09-13 10:08:19,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@549ddf0f 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 10:08:19,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:19" (2/2) ... [2024-09-13 10:08:19,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a2e3e0 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 10:08:19,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:19" (2/2) ... [2024-09-13 10:08:19,831 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:19,831 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ((b <= 6) && (a <= 5)) [2024-09-13 10:08:19,832 INFO L1541 ArrayList]: Loop invariant at [L20-L24] ((b == 6) && (a <= 6)) [2024-09-13 10:08:19,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:20,015 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_2.c[730,743] [2024-09-13 10:08:20,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:20,032 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-13 10:08:20,066 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_2.c[730,743] [2024-09-13 10:08:20,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:20,081 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:20,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20 WrapperNode [2024-09-13 10:08:20,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:20,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:20,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:20,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:20,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,116 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 10:08:20,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:20,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:20,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:20,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:20,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (1/1) ... [2024-09-13 10:08:20,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:20,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:20,223 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 10:08:20,226 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 10:08:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:08:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:08:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:08:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:20,344 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:20,346 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:20,464 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:20,499 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:20,501 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:08:20,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:20 BoogieIcfgContainer [2024-09-13 10:08:20,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:20,503 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:20,503 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:20,504 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:20,504 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 10:08:18" (1/4) ... [2024-09-13 10:08:20,505 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f03f46a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:20, skipping insertion in model container [2024-09-13 10:08:20,505 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:19" (2/4) ... [2024-09-13 10:08:20,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f03f46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:20, skipping insertion in model container [2024-09-13 10:08:20,506 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:20" (3/4) ... [2024-09-13 10:08:20,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f03f46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:20, skipping insertion in model container [2024-09-13 10:08:20,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:20" (4/4) ... [2024-09-13 10:08:20,508 INFO L79 RefereeObserver]: Analyzing ICFG nested_2.c [2024-09-13 10:08:20,513 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:08:20,514 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 10:08:20,514 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:20,514 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:08:20,514 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 10:08:20,515 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:20,515 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:08:20,557 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:20,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:20,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:20,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:20,560 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:20,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,574 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:20,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:20,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:20,576 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:20,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:20,594 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:20,605 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:20,605 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:20,605 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:20,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:20,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:20,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,610 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:20,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:20,613 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:20,613 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:20,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:20,618 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:20,627 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:20,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:20,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:20,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:20,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:20,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,639 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:08:20,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,642 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:20,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:20,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:20,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:20,652 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:20,661 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:20,662 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:20,663 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:20,663 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:20,663 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:20,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,665 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:20,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:20,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:20,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:20,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:20,672 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:20,681 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:20,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:20,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:20,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:20,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:20,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,688 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 10:08:20,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:20,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:20,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:20,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:20,692 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:20,696 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:20,699 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:20,702 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f03f46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:20, skipping insertion in model container [2024-09-13 10:08:20,702 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:20,703 INFO L158 Benchmark]: Toolchain (without parser) took 890.81ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 130.8MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:20,704 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 182.5MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:20,704 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 182.5MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:20,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.14ms. Allocated memory is still 182.5MB. Free memory was 108.6MB in the beginning and 95.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:20,706 INFO L158 Benchmark]: Boogie Preprocessor took 72.83ms. Allocated memory is still 182.5MB. Free memory was 95.9MB in the beginning and 153.5MB in the end (delta: -57.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:20,707 INFO L158 Benchmark]: RCFGBuilder took 346.13ms. Allocated memory is still 182.5MB. Free memory was 153.5MB in the beginning and 142.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:20,707 INFO L158 Benchmark]: Referee took 199.34ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 130.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:20,710 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 21 to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 20. Annotation is valid for all loop-free paths from loop head at line 20 to check that a call to reach_error is unreachable at line 26. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 20. Annotation is valid for all loop-free paths from loop head at line 20 to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 182.5MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 182.5MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.14ms. Allocated memory is still 182.5MB. Free memory was 108.6MB in the beginning and 95.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.83ms. Allocated memory is still 182.5MB. Free memory was 95.9MB in the beginning and 153.5MB in the end (delta: -57.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 346.13ms. Allocated memory is still 182.5MB. Free memory was 153.5MB in the beginning and 142.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 199.34ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 130.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:20,741 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...