This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:03,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:03,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:03,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:03,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:03,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:03,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:03,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:03,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:03,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:03,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:03,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:03,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:03,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:03,382 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:03,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:03,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:03,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:03,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:03,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:03,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:03,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:03,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:03,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:03,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:03,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:03,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:03,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:03,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:03,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:03,392 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:03,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:03,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:03,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:03,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:03,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:03,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:03,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:03,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:03,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:03,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:03,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:03,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:03,396 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:03,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:03,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:03,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:03,660 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:03,660 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:03,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-13 10:10:03,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:03,755 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:03,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 10:10:05,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:05,304 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:05,305 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 10:10:05,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f1abc73a9/f47c936e00fc4b58b7a123ea6b769572/FLAGd2d5bb1d4 [2024-09-13 10:10:05,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f1abc73a9/f47c936e00fc4b58b7a123ea6b769572 [2024-09-13 10:10:05,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:05,701 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:05,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:05,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:05,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:05,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:03" (1/2) ... [2024-09-13 10:10:05,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7f604a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:03" (1/2) ... [2024-09-13 10:10:05,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@198fdceb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:05" (2/2) ... [2024-09-13 10:10:05,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7f604a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:05" (2/2) ... [2024-09-13 10:10:05,718 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:05,719 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && ((x + ((b / 4294967296) * 4294967296)) <= (y + ((a / 4294967296) * 4294967296)))) && (b == u)) && (y <= (((y / 4294967296) * 4294967296) + 1))) && (a == x)) [2024-09-13 10:10:05,719 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:05,719 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-13 10:10:05,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:05,887 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/nla-digbench-scaling/lcm2_valuebound1.c[537,550] [2024-09-13 10:10:05,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:05,910 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:05,941 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/nla-digbench-scaling/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-13 10:10:05,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:05,966 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:05,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05 WrapperNode [2024-09-13 10:10:05,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:05,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:05,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:05,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:05,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,000 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 [2024-09-13 10:10:06,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:06,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:06,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:06,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:06,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:06,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:06,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:06,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:06,121 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:06,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:06,238 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:06,240 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:06,454 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:06,482 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:06,519 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:06,519 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:06,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:06 BoogieIcfgContainer [2024-09-13 10:10:06,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:06,520 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:06,521 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:06,521 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:06,522 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:03" (1/4) ... [2024-09-13 10:10:06,523 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589a0d12 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:06, skipping insertion in model container [2024-09-13 10:10:06,524 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:05" (2/4) ... [2024-09-13 10:10:06,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589a0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:06, skipping insertion in model container [2024-09-13 10:10:06,524 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05" (3/4) ... [2024-09-13 10:10:06,525 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589a0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:06, skipping insertion in model container [2024-09-13 10:10:06,525 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:06" (4/4) ... [2024-09-13 10:10:06,526 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-13 10:10:06,530 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:06,531 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:06,531 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:06,532 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:06,532 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 10:10:06,532 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 10:10:06,532 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:06,532 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:06,533 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:10:06,603 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:06,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,622 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:06,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,628 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,645 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:06,684 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:06,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,685 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,685 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,717 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:06,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,718 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,718 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,723 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:06,749 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:06,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,758 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:06,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,768 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:10,789 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:10,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,795 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:10,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,795 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,800 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:10,815 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:10,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,816 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,818 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:10,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,822 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:10,838 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:10,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,854 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:10,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,862 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:10,878 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:10,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,912 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:10,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,921 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,931 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:10,935 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:10,935 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589a0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,935 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:10,939 INFO L158 Benchmark]: Toolchain (without parser) took 5235.47ms. Allocated memory is still 176.2MB. Free memory was 104.8MB in the beginning and 86.0MB in the end (delta: 18.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,941 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 131.6MB in the end (delta: 120.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:10,941 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:10,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.36ms. Allocated memory is still 176.2MB. Free memory was 104.5MB in the beginning and 90.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,943 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 176.2MB. Free memory was 90.6MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,943 INFO L158 Benchmark]: RCFGBuilder took 502.30ms. Allocated memory is still 176.2MB. Free memory was 88.6MB in the beginning and 132.9MB in the end (delta: -44.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,944 INFO L158 Benchmark]: Referee took 4414.87ms. Allocated memory is still 176.2MB. Free memory was 132.9MB in the beginning and 86.0MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,947 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 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 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 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 131.6MB in the end (delta: 120.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.36ms. Allocated memory is still 176.2MB. Free memory was 104.5MB in the beginning and 90.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 176.2MB. Free memory was 90.6MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.30ms. Allocated memory is still 176.2MB. Free memory was 88.6MB in the beginning and 132.9MB in the end (delta: -44.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Referee took 4414.87ms. Allocated memory is still 176.2MB. Free memory was 132.9MB in the beginning and 86.0MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:10,971 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:13,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:13,238 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:13,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:13,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:13,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:13,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:13,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:13,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:13,282 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:13,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:13,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:13,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:13,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:13,283 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:13,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:13,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:13,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:13,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:13,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:13,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:13,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:13,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:13,290 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:13,290 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:13,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:13,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:13,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:13,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:13,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:13,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:13,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:13,292 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:13,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:13,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:13,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:13,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:13,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:13,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:13,295 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:13,295 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:13,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:13,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:13,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:13,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:13,296 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:13,296 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:13,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:13,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:13,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:13,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:13,641 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:13,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 10:10:15,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:15,255 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:15,255 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 10:10:15,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bcc79b07a/3d18ddb9b55f448d9d23e08eb4823d3c/FLAG95af7cb24 [2024-09-13 10:10:15,629 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bcc79b07a/3d18ddb9b55f448d9d23e08eb4823d3c [2024-09-13 10:10:15,631 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:15,631 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:15,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-13 10:10:15,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:15,691 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:15,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:15,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:15,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:15,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:15" (1/2) ... [2024-09-13 10:10:15,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688da1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:15, skipping insertion in model container [2024-09-13 10:10:15,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:15" (1/2) ... [2024-09-13 10:10:15,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38a6f40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:15, skipping insertion in model container [2024-09-13 10:10:15,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:15" (2/2) ... [2024-09-13 10:10:15,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688da1ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15, skipping insertion in model container [2024-09-13 10:10:15,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:15" (2/2) ... [2024-09-13 10:10:15,714 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:15,719 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && ((x + ((b / 4294967296) * 4294967296)) <= (y + ((a / 4294967296) * 4294967296)))) && (b == u)) && (y <= (((y / 4294967296) * 4294967296) + 1))) && (a == x)) [2024-09-13 10:10:15,719 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-13 10:10:15,719 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:15,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:15,904 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/nla-digbench-scaling/lcm2_valuebound1.c[537,550] [2024-09-13 10:10:15,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:15,945 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:15,986 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/nla-digbench-scaling/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-13 10:10:16,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:16,025 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:16,026 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16 WrapperNode [2024-09-13 10:10:16,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:16,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:16,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:16,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:16,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,073 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 [2024-09-13 10:10:16,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:16,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:16,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:16,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:16,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (1/1) ... [2024-09-13 10:10:16,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:16,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:16,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:16,135 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:16,258 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:16,262 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:16,630 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:16,656 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:16,691 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:16,694 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:16,695 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:16 BoogieIcfgContainer [2024-09-13 10:10:16,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:16,695 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:16,696 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:16,696 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:16,696 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:15" (1/4) ... [2024-09-13 10:10:16,697 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fdfdf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,697 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:15" (2/4) ... [2024-09-13 10:10:16,697 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fdfdf8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,697 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16" (3/4) ... [2024-09-13 10:10:16,697 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fdfdf8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,697 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:16" (4/4) ... [2024-09-13 10:10:16,698 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-13 10:10:16,703 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:16,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:16,704 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:16,704 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:16,704 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 10:10:16,705 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 10:10:16,705 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:16,705 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:16,706 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-13 10:10:16,773 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:16,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,789 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:16,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,796 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,812 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:16,830 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:16,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,846 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:16,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,849 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:16,864 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:16,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,874 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:16,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,875 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,878 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:16,890 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:16,891 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,894 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:16,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,897 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:16,920 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:16,921 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,921 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,923 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:16,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,926 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:16,940 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:16,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,941 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,941 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,941 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,955 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:16,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,963 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:16,977 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:16,977 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,008 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:17,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,046 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:17,054 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:17,054 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fdfdf8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:17, skipping insertion in model container [2024-09-13 10:10:17,055 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:17,056 INFO L158 Benchmark]: Toolchain (without parser) took 1364.48ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.8MB in the beginning and 38.4MB in the end (delta: 6.4MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,057 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:17,057 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 46.6MB in the end (delta: 210.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:17,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.16ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 30.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,059 INFO L158 Benchmark]: Boogie Preprocessor took 71.27ms. Allocated memory is still 69.2MB. Free memory was 30.3MB in the beginning and 47.5MB in the end (delta: -17.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,060 INFO L158 Benchmark]: RCFGBuilder took 595.17ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 31.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,061 INFO L158 Benchmark]: Referee took 359.14ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 31.6MB in the beginning and 38.4MB in the end (delta: -6.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:17,064 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 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 13. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 46.6MB in the end (delta: 210.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.16ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 30.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.27ms. Allocated memory is still 69.2MB. Free memory was 30.3MB in the beginning and 47.5MB in the end (delta: -17.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 595.17ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 31.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 359.14ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 31.6MB in the beginning and 38.4MB in the end (delta: -6.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:17,090 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...