This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:43,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:43,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:43,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:43,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:43,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:43,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:43,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:43,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:43,852 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:43,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:43,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:43,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:43,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:43,856 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:43,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:43,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:43,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:43,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:43,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:43,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:43,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:43,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:43,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:43,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:43,862 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:43,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:43,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:43,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:43,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:43,863 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:43,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:43,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:43,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:43,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:43,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:43,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:43,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:43,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:43,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:43,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:43,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:43,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:43,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:44,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:44,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:44,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:44,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:44,180 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:44,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound2.c [2024-09-13 10:09:45,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:45,869 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:45,869 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound2.c [2024-09-13 10:09:45,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/52096d8b2/fad5dacd8d5c4e888cea78fafd74574e/FLAG51a027f99 [2024-09-13 10:09:45,892 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/52096d8b2/fad5dacd8d5c4e888cea78fafd74574e [2024-09-13 10:09:45,894 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:45,895 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:45,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard-u_valuebound2.yml/witness-2.1.yml [2024-09-13 10:09:45,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:45,951 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:45,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:45,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:45,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:45,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:45" (1/2) ... [2024-09-13 10:09:45,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd3115a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:45, skipping insertion in model container [2024-09-13 10:09:45,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:45" (1/2) ... [2024-09-13 10:09:45,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36b72673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:45, skipping insertion in model container [2024-09-13 10:09:45,963 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 10:09:45" (2/2) ... [2024-09-13 10:09:45,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd3115a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:45, skipping insertion in model container [2024-09-13 10:09:45,963 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 10:09:45" (2/2) ... [2024-09-13 10:09:45,976 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:45,977 INFO L1541 ArrayList]: Loop invariant at [L36-L44] ((((((((B % 4294967296) <= 2) && (((A / 4294967296) * 4294967296) <= r)) && (1 <= (B % 4294967296))) && ((A + ((r / 4294967296) * 4294967296)) == (r + ((A / 4294967296) * 4294967296)))) && (q == 0)) && ((A % 4294967296) <= 2)) && ((d % 4294967296) == (((unsigned long long) B * p) % 4294967296))) [2024-09-13 10:09:45,977 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((((B % 4294967296) <= 2) && ((r % 4294967296) == (A % 4294967296))) && (1 <= (B % 4294967296))) && (q == 0)) && ((A % 4294967296) <= 2)) && ((d % 4294967296) == (((unsigned long long) B * p) % 4294967296))) [2024-09-13 10:09:45,977 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:09:45,977 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:46,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:46,179 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/hard-u_valuebound2.c[537,550] [2024-09-13 10:09:46,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:46,212 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:46,257 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/hard-u_valuebound2.c[537,550] Start Parsing Local Start Parsing Local [2024-09-13 10:09:46,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:46,304 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:46,305 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:46 WrapperNode [2024-09-13 10:09:46,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:46,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:46,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:46,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:46,319 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,320 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,331 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,350 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 10:09:46,351 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,351 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,356 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,363 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,369 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,370 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:46,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:46,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:46,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:46,378 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 10:09:46" (1/1) ... [2024-09-13 10:09:46,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:46,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:46,411 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 10:09:46,414 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 10:09:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:46,535 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:46,538 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:46,824 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:46,851 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:46,883 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:46,884 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:46,885 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:46 BoogieIcfgContainer [2024-09-13 10:09:46,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:46,886 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:46,886 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:46,887 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:46,887 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:45" (1/4) ... [2024-09-13 10:09:46,889 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@441ffd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:46, skipping insertion in model container [2024-09-13 10:09:46,889 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 10:09:45" (2/4) ... [2024-09-13 10:09:46,890 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@441ffd34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:46, skipping insertion in model container [2024-09-13 10:09:46,890 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 10:09:46" (3/4) ... [2024-09-13 10:09:46,890 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@441ffd34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:46, skipping insertion in model container [2024-09-13 10:09:46,891 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 10:09:46" (4/4) ... [2024-09-13 10:09:46,892 INFO L79 RefereeObserver]: Analyzing ICFG hard-u_valuebound2.c [2024-09-13 10:09:46,896 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:46,897 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 10:09:46,897 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 10:09:46,898 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:46,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:46,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 10:09:46,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:46,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:46,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:46,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:46,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:46,901 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:46,901 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 10:09:46,901 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 10:09:46,901 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:46,902 INFO L130 InvariantChecker]: Will check 7 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, 3 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:46,956 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:46,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:46,958 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:46,958 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:46,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:46,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:46,972 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:46,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:46,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:46,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:46,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:46,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:46,998 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:47,043 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 10:09:47,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,046 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,046 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,086 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 10:09:47,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,094 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:51,105 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:51,128 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:51,128 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:51,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:51,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:51,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:51,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,140 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:51,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:51,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:51,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:51,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:51,146 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:51,164 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:09:51,164 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:51,164 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:51,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:51,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:51,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,212 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:09:51,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:51,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:51,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:51,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:51,418 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 10:09:51,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:51,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:51,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:51,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:51,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,441 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-13 10:09:51,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:51,442 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:51,442 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:51,445 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:51,449 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:51,463 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:51,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:51,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:51,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:51,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:51,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,476 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:51,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:51,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:51,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:51,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:51,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:55,485 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:55,512 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:09:55,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:55,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:55,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:55,513 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:55,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,529 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:09:55,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:55,530 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:55,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:55,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:55,779 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:55,792 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:09:55,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:55,793 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:55,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:55,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:55,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,802 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:09:55,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:55,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:55,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:55,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:55,807 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:55,818 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:55,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:55,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:55,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:55,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:55,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,823 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:55,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:55,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:55,827 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:55,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:55,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,834 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:59,848 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:59,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,853 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:59,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,854 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,860 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:59,871 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:59,871 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,877 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:59,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,879 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:59,888 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:59,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,889 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,889 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,891 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:59,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,893 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:59,902 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:59,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,903 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,903 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,904 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:59,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,906 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:59,915 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:59,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,916 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,916 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,923 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:59,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,926 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:59,933 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 10:09:59,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@441ffd34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,933 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:59,935 INFO L158 Benchmark]: Toolchain (without parser) took 13982.86ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 65.0MB in the end (delta: 55.3MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:59,935 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:59,936 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:59,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.15ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 106.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:59,936 INFO L158 Benchmark]: Boogie Preprocessor took 70.70ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:59,937 INFO L158 Benchmark]: RCFGBuilder took 508.03ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 83.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-13 10:09:59,937 INFO L158 Benchmark]: Referee took 13047.26ms. Allocated memory is still 163.6MB. Free memory was 83.2MB in the beginning and 65.0MB in the end (delta: 18.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-09-13 10:09:59,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 46 to loop head at line 46. One counterexample starts in A=0, B=2, d=8589934588, p=-4294967298, q=0, r=0 and ends in A=0, B=2, d=2147483646, p=2147483647, q=0, r=0. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 60. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 46. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. 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 loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 16. 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 36 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.15ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 106.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.70ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.03ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 83.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 13047.26ms. Allocated memory is still 163.6MB. Free memory was 83.2MB in the beginning and 65.0MB in the end (delta: 18.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:59,970 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...