This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:56,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:56,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:56,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:56,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:56,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:56,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:56,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:56,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:56,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:56,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:56,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:56,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:56,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:56,912 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:56,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:56,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:56,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:56,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:56,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:56,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:56,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:56,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:56,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:56,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:56,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:56,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:56,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:56,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:56,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:56,929 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:56,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:56,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:56,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:56,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:56,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:56,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:56,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:56,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:56,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:56,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:56,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:56,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:56,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:57,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:57,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:57,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:57,215 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:57,216 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:57,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-21 12:48:57,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:57,272 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:57,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-21 12:48:58,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:58,945 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:58,945 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-21 12:48:58,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/10a548240/28a8d05814c64ded88dc0247c2e346bf/FLAG0162aae9c [2024-09-21 12:48:58,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/10a548240/28a8d05814c64ded88dc0247c2e346bf [2024-09-21 12:48:58,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:58,968 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:58,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:58,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:58,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:58,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:57" (1/2) ... [2024-09-21 12:48:58,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f21601f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:57" (1/2) ... [2024-09-21 12:48:58,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39842972 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:58" (2/2) ... [2024-09-21 12:48:58,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f21601f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:58" (2/2) ... [2024-09-21 12:48:58,989 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:58,990 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && (A <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) [2024-09-21 12:48:58,990 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-21 12:48:58,990 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:58,990 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-09-21 12:48:59,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:59,171 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-21 12:48:59,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:59,192 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:48:59,225 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-21 12:48:59,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:59,255 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:59,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59 WrapperNode [2024-09-21 12:48:59,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:59,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:59,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:59,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:59,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,293 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:48:59,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:59,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:59,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:59,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:59,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (1/1) ... [2024-09-21 12:48:59,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:59,351 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) [2024-09-21 12:48:59,352 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 [2024-09-21 12:48:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:48:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:59,461 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:59,463 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:59,637 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:59,648 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:59,681 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:59,681 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:48:59,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:59 BoogieIcfgContainer [2024-09-21 12:48:59,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:59,685 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:59,685 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:59,686 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:59,686 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:57" (1/4) ... [2024-09-21 12:48:59,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27532b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,687 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:58" (2/4) ... [2024-09-21 12:48:59,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27532b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,687 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:59" (3/4) ... [2024-09-21 12:48:59,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27532b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,688 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:59" (4/4) ... [2024-09-21 12:48:59,689 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-21 12:48:59,694 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:48:59,696 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:59,696 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,696 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:48:59,697 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:48:59,697 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:59,697 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,698 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:48:59,698 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:59,699 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:48:59,700 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:48:59,762 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:48:59,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,764 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,773 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:48:59,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,775 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,780 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,796 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:59,821 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:59,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,841 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:59,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,847 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:03,871 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:03,871 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,871 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,883 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:03,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,891 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:03,907 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:03,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,907 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,908 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,913 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:03,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,914 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,914 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,914 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,914 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,917 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:03,938 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:03,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,945 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:03,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,946 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,946 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,951 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:03,965 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:03,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,966 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,968 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:03,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:03,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:03,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:03,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:03,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,971 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:03,987 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 12:49:03,988 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:03,988 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:03,989 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:03,989 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:03,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,008 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-21 12:49:04,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,017 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:04,036 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:49:04,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,037 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,037 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,078 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:49:04,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,099 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:04,112 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:04,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,126 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:04,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,133 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:04,136 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:04,137 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27532b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:04, skipping insertion in model container [2024-09-21 12:49:04,137 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:04,139 INFO L158 Benchmark]: Toolchain (without parser) took 5170.44ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 109.4MB in the beginning and 129.9MB in the end (delta: -20.5MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:04,140 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 167.8MB. Free memory was 140.5MB in the beginning and 140.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:04,141 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:04,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.01ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 94.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:04,142 INFO L158 Benchmark]: Boogie Preprocessor took 65.37ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 138.6MB in the end (delta: -43.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:04,142 INFO L158 Benchmark]: RCFGBuilder took 359.21ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 138.5MB in the beginning and 183.4MB in the end (delta: -44.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-21 12:49:04,143 INFO L158 Benchmark]: Referee took 4452.03ms. Allocated memory is still 224.4MB. Free memory was 183.4MB in the beginning and 129.9MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-21 12:49:04,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. 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 20. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 167.8MB. Free memory was 140.5MB in the beginning and 140.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.01ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 94.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.37ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 138.6MB in the end (delta: -43.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 359.21ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 138.5MB in the beginning and 183.4MB in the end (delta: -44.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Referee took 4452.03ms. Allocated memory is still 224.4MB. Free memory was 183.4MB in the beginning and 129.9MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:04,171 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:06,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:06,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:06,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:06,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:06,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:06,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:06,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:06,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:06,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:06,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:06,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:06,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:06,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:06,513 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:06,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:06,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:06,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:06,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:06,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:06,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:06,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:06,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:06,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:06,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:06,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:06,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:06,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:06,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:06,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:06,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:06,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:06,521 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:06,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:06,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:06,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:06,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:06,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:06,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:06,523 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:06,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:06,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:06,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:06,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:06,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:06,525 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:06,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:06,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:06,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:06,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:06,864 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:06,865 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:06,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-21 12:49:06,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:06,922 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:06,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-21 12:49:08,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:08,691 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:08,692 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-21 12:49:08,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/43ddbfa1f/c0c2a1dfe6a94a268b17a132d0af3b4d/FLAGcb43f5581 [2024-09-21 12:49:08,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/43ddbfa1f/c0c2a1dfe6a94a268b17a132d0af3b4d [2024-09-21 12:49:08,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:08,716 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:08,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:08,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:08,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:08,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:06" (1/2) ... [2024-09-21 12:49:08,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb1ce04 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:06" (1/2) ... [2024-09-21 12:49:08,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c0ce5a9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:08" (2/2) ... [2024-09-21 12:49:08,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb1ce04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:08" (2/2) ... [2024-09-21 12:49:08,744 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:08,745 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-21 12:49:08,745 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && (A <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) [2024-09-21 12:49:08,745 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:08,745 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-09-21 12:49:08,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:08,942 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-21 12:49:08,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:08,977 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:09,018 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-21 12:49:09,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:09,073 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:09,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09 WrapperNode [2024-09-21 12:49:09,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:09,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:09,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:09,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:09,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,104 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:49:09,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:09,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:09,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:09,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:09,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (1/1) ... [2024-09-21 12:49:09,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:09,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:09,164 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) [2024-09-21 12:49:09,168 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 [2024-09-21 12:49:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:49:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:49:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:09,292 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:09,294 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:09,523 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:09,536 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:09,565 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:09,566 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:49:09,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:09 BoogieIcfgContainer [2024-09-21 12:49:09,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:09,567 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:09,567 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:09,568 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:09,568 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:06" (1/4) ... [2024-09-21 12:49:09,569 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59eb2589 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:08" (2/4) ... [2024-09-21 12:49:09,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59eb2589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:09" (3/4) ... [2024-09-21 12:49:09,571 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59eb2589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:09" (4/4) ... [2024-09-21 12:49:09,572 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-21 12:49:09,576 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:49:09,577 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:09,577 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:09,577 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:49:09,577 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:49:09,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:09,578 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:09,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:49:09,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:09,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:49:09,580 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:49:09,625 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:09,626 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,627 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,627 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,643 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:09,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,644 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,673 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:09,692 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:09,693 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,693 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,693 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,701 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:09,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,724 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:09,752 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:09,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,772 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:09,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,773 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,779 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,803 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:09,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,808 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:09,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,811 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,824 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:09,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,828 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:09,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,828 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,830 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:09,841 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:09,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,844 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:09,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,844 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,844 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,845 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:09,863 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 12:49:09,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,878 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-21 12:49:09,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,891 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,906 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:49:09,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,907 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,935 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:49:09,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,942 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,957 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,970 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:09,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,983 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:09,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,984 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,984 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,986 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:09,989 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:49:09,990 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59eb2589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,990 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:09,992 INFO L158 Benchmark]: Toolchain (without parser) took 1275.40ms. Allocated memory is still 94.4MB. Free memory was 64.1MB in the beginning and 41.0MB in the end (delta: 23.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,992 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:09,993 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:09,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.84ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 73.2MB in the end (delta: -9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,995 INFO L158 Benchmark]: Boogie Preprocessor took 55.73ms. Allocated memory is still 94.4MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,996 INFO L158 Benchmark]: RCFGBuilder took 434.82ms. Allocated memory is still 94.4MB. Free memory was 70.8MB in the beginning and 55.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,997 INFO L158 Benchmark]: Referee took 423.14ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 41.0MB in the end (delta: 14.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-21 12:49:10,001 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 20. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.84ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 73.2MB in the end (delta: -9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.73ms. Allocated memory is still 94.4MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.82ms. Allocated memory is still 94.4MB. Free memory was 70.8MB in the beginning and 55.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 423.14ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 41.0MB in the end (delta: 14.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:49:10,037 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...