This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:10,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:11,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:11,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:11,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:11,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:11,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:11,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:11,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:11,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:11,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:11,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:11,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:11,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:11,082 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:11,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:11,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:11,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:11,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:11,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:11,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:11,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:11,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:11,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:11,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:11,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:11,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:11,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:11,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:11,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:11,087 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:11,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:11,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:11,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:11,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:11,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:11,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:11,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:11,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:11,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:11,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:11,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:11,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:11,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:11,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:11,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:11,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:11,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:11,340 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:11,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/diamond_1-1.c [2024-09-13 05:02:12,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:12,856 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:12,857 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/diamond_1-1.c [2024-09-13 05:02:12,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0cae010e1/76bdcc0dcb3d47dab81ae4566b8ed4f5/FLAG688cd6bdc [2024-09-13 05:02:12,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0cae010e1/76bdcc0dcb3d47dab81ae4566b8ed4f5 [2024-09-13 05:02:12,882 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:12,883 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:12,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/diamond_1-1.yml/witness-2.1.yml [2024-09-13 05:02:12,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:12,931 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:12,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:12,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:12,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:12,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:12" (1/2) ... [2024-09-13 05:02:12,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd893c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:12, skipping insertion in model container [2024-09-13 05:02:12,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:12" (1/2) ... [2024-09-13 05:02:12,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27323d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:12, skipping insertion in model container [2024-09-13 05:02:12,942 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 05:02:12" (2/2) ... [2024-09-13 05:02:12,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd893c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:12, skipping insertion in model container [2024-09-13 05:02:12,943 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 05:02:12" (2/2) ... [2024-09-13 05:02:12,951 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:12,952 INFO L1541 ArrayList]: Loop invariant at [L17-L23] ((((((x + 4294967295) % 4294967296) <= 98) && (((y / 2) * 2) != y)) || (x == 0)) || (((y % 2) == 0) && ((x % 2) == 0))) [2024-09-13 05:02:12,952 INFO L1541 ArrayList]: Function contract at [L6]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:02:12,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:13,111 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-acceleration/diamond_1-1.c[373,386] [2024-09-13 05:02:13,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:13,131 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:13,169 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-acceleration/diamond_1-1.c[373,386] Start Parsing Local [2024-09-13 05:02:13,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:13,197 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:13,197 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:13 WrapperNode [2024-09-13 05:02:13,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:13,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:13,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:13,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:13,211 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,211 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,216 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,228 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:02:13,228 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,228 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,231 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,235 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,239 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,240 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:13,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:13,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:13,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:13,245 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 05:02:13" (1/1) ... [2024-09-13 05:02:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:13,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:13,277 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 05:02:13,280 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 05:02:13,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:02:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:02:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:02:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:13,381 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:13,382 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:13,485 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:13,496 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:13,520 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:13,521 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:13,521 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:13 BoogieIcfgContainer [2024-09-13 05:02:13,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:13,522 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:13,522 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:13,523 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:13,523 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:12" (1/4) ... [2024-09-13 05:02:13,523 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b45b8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:13, skipping insertion in model container [2024-09-13 05:02:13,524 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 05:02:12" (2/4) ... [2024-09-13 05:02:13,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b45b8f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:13, skipping insertion in model container [2024-09-13 05:02:13,524 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 05:02:13" (3/4) ... [2024-09-13 05:02:13,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b45b8f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:13, skipping insertion in model container [2024-09-13 05:02:13,525 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 05:02:13" (4/4) ... [2024-09-13 05:02:13,526 INFO L79 RefereeObserver]: Analyzing ICFG diamond_1-1.c [2024-09-13 05:02:13,529 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:13,530 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:13,530 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 05:02:13,530 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:02:13,530 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:02:13,530 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:02:13,530 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:02:13,573 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:13,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:13,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:13,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:13,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:13,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,639 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:13,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:13,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:13,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:13,651 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:13,702 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:13,721 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:02:13,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:13,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:13,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:13,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:13,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,728 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:02:13,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:13,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:13,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:13,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:13,735 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:13,750 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:02:13,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:13,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:13,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:13,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:13,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,762 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:02:13,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:13,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:13,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:13,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:13,780 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:13,790 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:13,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:13,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:13,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:13,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:13,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,795 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:13,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:13,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:13,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:13,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:13,801 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:13,810 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:13,811 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:13,811 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:13,811 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:13,811 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:13,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,813 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:13,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:13,814 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:13,814 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:13,814 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:13,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:13,816 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:13,821 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:02:13,821 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b45b8f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:13, skipping insertion in model container [2024-09-13 05:02:13,821 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:13,827 INFO L158 Benchmark]: Toolchain (without parser) took 891.50ms. Allocated memory is still 178.3MB. Free memory was 108.6MB in the beginning and 135.6MB in the end (delta: -27.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-09-13 05:02:13,827 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 123.7MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:13,827 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:13,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.14ms. Allocated memory is still 178.3MB. Free memory was 108.3MB in the beginning and 95.4MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:13,828 INFO L158 Benchmark]: Boogie Preprocessor took 42.62ms. Allocated memory is still 178.3MB. Free memory was 95.4MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:13,829 INFO L158 Benchmark]: RCFGBuilder took 279.82ms. Allocated memory is still 178.3MB. Free memory was 93.4MB in the beginning and 81.1MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:13,830 INFO L158 Benchmark]: Referee took 299.31ms. Allocated memory is still 178.3MB. Free memory was 81.1MB in the beginning and 135.6MB in the end (delta: -54.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:13,833 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 17 to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 8. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 123.7MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.14ms. Allocated memory is still 178.3MB. Free memory was 108.3MB in the beginning and 95.4MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.62ms. Allocated memory is still 178.3MB. Free memory was 95.4MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.82ms. Allocated memory is still 178.3MB. Free memory was 93.4MB in the beginning and 81.1MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 299.31ms. Allocated memory is still 178.3MB. Free memory was 81.1MB in the beginning and 135.6MB in the end (delta: -54.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:13,863 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...