This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:48,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:48,971 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:48,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:48,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:49,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:49,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:49,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:49,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:49,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:49,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:49,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:49,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:49,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:49,004 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:49,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:49,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:49,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:49,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:49,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:49,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:49,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:49,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:49,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:49,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:49,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:49,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:49,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:49,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:49,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:49,010 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:49,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:49,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:49,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:49,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:49,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:49,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:49,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:49,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:49,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:49,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:49,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:49,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:49,014 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:49,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:49,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:49,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:49,227 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:49,227 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:49,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/witness-2.1.yml [2024-09-21 12:50:49,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:49,296 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:49,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-21 12:50:50,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:50,584 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:50,585 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-21 12:50:50,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e65fe775d/ee94532cee4d4a4a950f6b3231facb56/FLAGb2e816b9e [2024-09-21 12:50:51,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e65fe775d/ee94532cee4d4a4a950f6b3231facb56 [2024-09-21 12:50:51,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:51,010 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:51,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:51,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:51,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:51,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:49" (1/2) ... [2024-09-21 12:50:51,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fc235 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:49" (1/2) ... [2024-09-21 12:50:51,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ce482e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:51" (2/2) ... [2024-09-21 12:50:51,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fc235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:51" (2/2) ... [2024-09-21 12:50:51,027 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:51,027 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((__int128) c * 2) + ((__int128) c * y)) == (((__int128) y * 2) + ((__int128) y * y)))) && (((((((__int128) y * y) * y) * y) + ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 4))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) [2024-09-21 12:50:51,027 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:51,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:51,147 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-09-21 12:50:51,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:51,173 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:50:51,207 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] Start Parsing Local [2024-09-21 12:50:51,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:51,232 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:51,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51 WrapperNode [2024-09-21 12:50:51,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:51,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:51,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:51,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:51,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,253 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:50:51,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:51,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:51,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:51,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:51,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:51,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:50:51,289 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:50:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:51,378 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:51,380 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:51,498 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:51,509 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:51,541 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:51,542 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:51,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:51 BoogieIcfgContainer [2024-09-21 12:50:51,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:51,542 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:51,543 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:51,543 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:51,543 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:49" (1/4) ... [2024-09-21 12:50:51,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27bd39ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,544 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:51" (2/4) ... [2024-09-21 12:50:51,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27bd39ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,544 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:51" (3/4) ... [2024-09-21 12:50:51,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27bd39ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,545 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:51" (4/4) ... [2024-09-21 12:50:51,545 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound100.c [2024-09-21 12:50:51,548 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:51,549 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:51,549 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:51,549 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:50:51,549 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:50:51,549 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:51,549 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:51,550 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:50:51,550 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-21 12:50:51,585 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:51,586 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,586 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,621 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:51,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,642 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:51,658 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:51,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,672 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:51,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,680 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:51,697 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:51,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,705 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:51,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,706 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,706 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,706 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,713 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:51,726 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:51,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,727 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,741 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:51,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,756 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:51,769 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:51,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,772 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:51,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,777 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:51,788 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:51,788 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,788 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,789 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,790 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:51,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,794 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:51,802 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:51,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:51,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:51,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:51,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:51,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,818 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 12:50:51,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:51,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:51,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:51,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:51,822 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:51,823 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:51,826 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:50:51,827 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27bd39ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:51, skipping insertion in model container [2024-09-21 12:50:51,827 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:51,829 INFO L158 Benchmark]: Toolchain (without parser) took 818.51ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 84.3MB in the beginning and 135.5MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:51,830 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 109.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:51,830 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 159.4MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:51,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.86ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 70.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:51,831 INFO L158 Benchmark]: Boogie Preprocessor took 26.93ms. Allocated memory is still 159.4MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:51,832 INFO L158 Benchmark]: RCFGBuilder took 280.92ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 68.7MB in the beginning and 169.0MB in the end (delta: -100.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:51,833 INFO L158 Benchmark]: Referee took 285.15ms. Allocated memory is still 201.3MB. Free memory was 169.0MB in the beginning and 135.5MB in the end (delta: 33.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:51,835 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 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 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 11. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 109.9MB in the beginning and 109.7MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 159.4MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.86ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 70.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.93ms. Allocated memory is still 159.4MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.92ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 68.7MB in the beginning and 169.0MB in the end (delta: -100.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Referee took 285.15ms. Allocated memory is still 201.3MB. Free memory was 169.0MB in the beginning and 135.5MB in the end (delta: 33.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:50:51,859 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...