This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:07:49,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:07:49,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:07:49,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:07:49,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:07:49,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:07:49,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:07:49,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:07:49,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:07:49,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:07:49,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:07:49,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:07:49,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:07:49,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:07:49,583 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:07:49,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:07:49,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:07:49,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:07:49,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:07:49,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:07:49,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:07:49,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:07:49,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:07:49,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:07:49,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:07:49,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:07:49,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:07:49,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:07:49,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:07:49,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:07:49,591 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:07:49,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:07:49,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:07:49,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:07:49,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:07:49,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:07:49,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:07:49,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:07:49,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:07:49,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:07:49,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:07:49,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:07:49,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:07:49,594 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:07:49,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:07:49,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:07:49,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:07:49,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:07:49,869 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:07:49,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2024-09-13 05:07:51,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:07:51,440 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:07:51,441 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2024-09-13 05:07:51,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f9878c8b1/dadeb0a0497142f88edafc84f6b2c17d/FLAG4427064fe [2024-09-13 05:07:51,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f9878c8b1/dadeb0a0497142f88edafc84f6b2c17d [2024-09-13 05:07:51,826 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:07:51,827 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:07:51,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_valuebound2.yml/witness-2.1.yml [2024-09-13 05:07:51,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:07:51,877 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:07:51,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:07:51,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:07:51,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:07:51,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:07:51" (1/2) ... [2024-09-13 05:07:51,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddab39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:07:51, skipping insertion in model container [2024-09-13 05:07:51,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:07:51" (1/2) ... [2024-09-13 05:07:51,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f5e8287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:07:51, skipping insertion in model container [2024-09-13 05:07:51,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:07:51" (2/2) ... [2024-09-13 05:07:51,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddab39 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:51, skipping insertion in model container [2024-09-13 05:07:51,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:07:51" (2/2) ... [2024-09-13 05:07:51,894 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:07:51,894 INFO L1541 ArrayList]: Loop invariant at [L35-L44] (((z <= 2) && (((((((__int128) z * x) + (((__int128) 18446744073709551615U * z) * y)) + ((unsigned __int128) 18446744073709551615U * x)) + 1) % ((unsigned __int128) 1 << 64)) == 0)) && (0 <= z)) [2024-09-13 05:07:51,894 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:07:51,895 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:07:51,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:07:52,047 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/geo2-ll_valuebound2.c[524,537] [2024-09-13 05:07:52,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:07:52,069 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:07:52,100 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/geo2-ll_valuebound2.c[524,537] Start Parsing Local [2024-09-13 05:07:52,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:07:52,138 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:07:52,138 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52 WrapperNode [2024-09-13 05:07:52,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:07:52,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:07:52,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:07:52,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:07:52,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,166 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 05:07:52,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:07:52,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:07:52,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:07:52,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:07:52,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (1/1) ... [2024-09-13 05:07:52,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:07:52,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:07:52,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:07:52,221 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:07:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:07:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:07:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:07:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:07:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:07:52,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:07:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:07:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:07:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:07:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:07:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:07:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:07:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:07:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:07:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:07:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:07:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:07:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:07:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:07:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:07:52,321 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:07:52,323 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:07:52,448 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:07:52,461 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:07:52,488 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:07:52,489 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:07:52,489 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:07:52 BoogieIcfgContainer [2024-09-13 05:07:52,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:07:52,490 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:07:52,490 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:07:52,491 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:07:52,491 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:07:51" (1/4) ... [2024-09-13 05:07:52,492 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54e4acd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:07:52, skipping insertion in model container [2024-09-13 05:07:52,492 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:07:51" (2/4) ... [2024-09-13 05:07:52,492 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54e4acd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:07:52, skipping insertion in model container [2024-09-13 05:07:52,492 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:07:52" (3/4) ... [2024-09-13 05:07:52,493 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54e4acd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:07:52, skipping insertion in model container [2024-09-13 05:07:52,493 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:07:52" (4/4) ... [2024-09-13 05:07:52,494 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_valuebound2.c [2024-09-13 05:07:52,497 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:07:52,497 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 05:07:52,497 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:07:52,497 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:07:52,498 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:07:52,498 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:07:52,498 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:07:52,498 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:07:52,498 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head 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 05:07:52,547 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:07:52,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,562 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:07:52,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,590 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:07:52,623 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:07:52,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,666 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:07:52,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,781 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:52,800 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:07:52,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,820 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:07:52,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,821 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,821 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,821 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,824 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:52,845 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:07:52,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,869 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:07:52,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,869 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,875 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:52,885 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:07:52,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,892 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:07:52,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,903 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:52,918 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:07:52,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,919 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,919 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,919 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,922 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:07:52,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,926 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:07:52,936 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:07:52,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:52,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:52,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:52,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:52,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,939 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:07:52,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:52,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:52,940 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:52,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:52,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:52,941 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:07:52,944 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:07:52,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54e4acd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:07:52, skipping insertion in model container [2024-09-13 05:07:52,946 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:07:52,948 INFO L158 Benchmark]: Toolchain (without parser) took 1069.61ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 91.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-09-13 05:07:52,949 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:07:52,950 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 96.7MB in the end (delta: 147.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:07:52,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.02ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 138.5MB in the end (delta: -43.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-13 05:07:52,951 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 167.8MB. Free memory was 138.5MB in the beginning and 136.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:07:52,952 INFO L158 Benchmark]: RCFGBuilder took 312.76ms. Allocated memory is still 167.8MB. Free memory was 136.2MB in the beginning and 122.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:07:52,952 INFO L158 Benchmark]: Referee took 455.77ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 91.5MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-13 05:07:52,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 main to loop head at line 35. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 96.7MB in the end (delta: 147.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.02ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 138.5MB in the end (delta: -43.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 167.8MB. Free memory was 138.5MB in the beginning and 136.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.76ms. Allocated memory is still 167.8MB. Free memory was 136.2MB in the beginning and 122.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 455.77ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 91.5MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:07:52,973 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...