This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:49,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:49,096 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:49,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:49,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:49,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:49,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:49,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:49,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:49,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:49,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:49,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:49,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:49,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:49,135 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:49,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:49,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:49,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:49,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:49,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:49,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:49,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:49,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:49,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:49,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:49,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:49,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:49,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:49,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:49,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:49,142 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:49,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:49,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:49,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:49,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:49,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:49,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:49,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:49,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:49,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:49,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:49,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:49,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:49,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:49,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:49,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:49,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:49,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:49,459 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:49,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c [2024-09-21 12:50:50,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:51,147 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:51,148 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c [2024-09-21 12:50:51,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4cd670fc5/d9d865d6b5244777adce005b661e0e91/FLAG5020e398b [2024-09-21 12:50:51,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4cd670fc5/d9d865d6b5244777adce005b661e0e91 [2024-09-21 12:50:51,175 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:51,177 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:51,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound1.yml/witness-2.1.yml [2024-09-21 12:50:51,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:51,233 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:51,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:51,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:51,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:51,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:51" (1/2) ... [2024-09-21 12:50:51,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e462d8 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 12:50:51,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:51" (1/2) ... [2024-09-21 12:50:51,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70c21cbc 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 12:50:51,245 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 12:50:51" (2/2) ... [2024-09-21 12:50:51,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e462d8 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 12:50:51,245 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 12:50:51" (2/2) ... [2024-09-21 12:50:51,253 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:51,254 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y == 1) && (x == 1)) && (k == 1)) && (c == 1)) || (((((x == 0) && (0 <= k)) && (k <= 1)) && (c == 0)) && (y == 0))) [2024-09-21 12:50:51,254 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (cond != 0) [2024-09-21 12:50:51,254 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:51,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:51,422 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_valuebound1.c[458,471] [2024-09-21 12:50:51,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:51,460 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:51,499 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_valuebound1.c[458,471] Start Parsing Local [2024-09-21 12:50:51,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:51,528 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:51,529 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:51 WrapperNode [2024-09-21 12:50:51,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:51,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:51,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:51,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:51,542 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,543 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,548 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,557 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:50:51,560 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,561 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,569 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,574 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,576 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,576 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:51,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:51,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:51,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:51,580 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 21.09 12:50:51" (1/1) ... [2024-09-21 12:50:51,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:51,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:51,611 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 12:50:51,613 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 12:50:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-21 12:50:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:51,728 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:51,730 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:51,891 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:51,911 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:51,946 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:51,946 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:51,947 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:51 BoogieIcfgContainer [2024-09-21 12:50:51,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:51,948 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:51,948 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:51,949 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:51,949 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:51" (1/4) ... [2024-09-21 12:50:51,950 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66c9856a 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 12:50:51,950 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 12:50:51" (2/4) ... [2024-09-21 12:50:51,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66c9856a 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 12:50:51,951 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 21.09 12:50:51" (3/4) ... [2024-09-21 12:50:51,952 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66c9856a 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 12:50:51,952 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:51" (4/4) ... [2024-09-21 12:50:51,953 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound1.c [2024-09-21 12:50:51,960 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:51,961 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:51,962 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 12:50:51,962 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 12:50:51,962 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 12:50:51,962 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 12:50:51,963 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 12:50:51,963 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 12:50:51,963 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 12:50:51,964 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:50:52,012 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:52,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,013 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,014 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,031 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:52,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,060 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:52,087 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:52,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,090 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,090 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,111 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:52,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,119 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,124 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:52,142 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:52,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,144 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,148 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:52,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,150 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,158 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:52,173 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:52,173 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,174 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,174 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,180 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:52,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,185 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:52,199 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:52,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,213 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:52,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,223 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:52,235 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:52,236 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,240 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:52,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,244 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:52,254 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:52,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,255 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,257 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:52,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,257 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,258 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,260 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:52,271 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:50:52,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:52,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:52,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:52,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:52,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,288 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 12:50:52,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:52,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:52,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:52,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:52,294 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:52,297 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:52,301 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:50:52,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66c9856a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:52, skipping insertion in model container [2024-09-21 12:50:52,302 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:52,303 INFO L158 Benchmark]: Toolchain (without parser) took 1070.12ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 105.0MB in the end (delta: 31.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:52,304 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:52,304 INFO L158 Benchmark]: Witness Parser took 1.19ms. Allocated memory is still 174.1MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:52,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.11ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 122.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:52,305 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 174.1MB. Free memory was 122.0MB in the beginning and 120.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:52,308 INFO L158 Benchmark]: RCFGBuilder took 368.27ms. Allocated memory is still 174.1MB. Free memory was 119.9MB in the beginning and 136.4MB in the end (delta: -16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:52,309 INFO L158 Benchmark]: Referee took 354.30ms. Allocated memory is still 174.1MB. Free memory was 136.4MB in the beginning and 105.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:52,313 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 37. 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 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. 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 0.17ms. Allocated memory is still 111.1MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.19ms. Allocated memory is still 174.1MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.11ms. Allocated memory is still 174.1MB. Free memory was 136.6MB in the beginning and 122.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 174.1MB. Free memory was 122.0MB in the beginning and 120.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.27ms. Allocated memory is still 174.1MB. Free memory was 119.9MB in the beginning and 136.4MB in the end (delta: -16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 354.30ms. Allocated memory is still 174.1MB. Free memory was 136.4MB in the beginning and 105.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:50:52,341 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...