This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:43,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:43,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:30:43,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:43,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:43,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:43,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:43,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:43,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:43,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:43,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:43,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:43,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:43,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:43,380 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:43,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:43,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:43,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:43,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:30:43,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:43,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:43,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:43,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:43,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:43,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:43,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:43,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:43,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:43,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:43,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:43,388 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:43,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:43,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:43,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:43,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:43,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:43,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:43,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:30:43,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:30:43,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:43,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:43,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:43,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:43,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:43,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:43,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:43,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:43,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:43,662 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:43,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-09-25 00:30:45,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:45,276 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:45,277 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-09-25 00:30:45,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae51268d7/37573c6e48be4e2e947b21d3862085e3/FLAG55486fe25 [2024-09-25 00:30:45,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae51268d7/37573c6e48be4e2e947b21d3862085e3 [2024-09-25 00:30:45,669 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:45,670 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:45,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound2.yml/witness-2.1.yml [2024-09-25 00:30:45,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:45,723 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:45,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:45,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:45,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:45,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:45" (1/2) ... [2024-09-25 00:30:45,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a4e807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:45, skipping insertion in model container [2024-09-25 00:30:45,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:45" (1/2) ... [2024-09-25 00:30:45,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@324ae288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:45, skipping insertion in model container [2024-09-25 00:30:45,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:45" (2/2) ... [2024-09-25 00:30:45,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a4e807 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:45, skipping insertion in model container [2024-09-25 00:30:45,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:45" (2/2) ... [2024-09-25 00:30:45,743 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:45,743 INFO L1541 ArrayList]: Loop invariant at [L27-L36] ((((((1 <= k) && (y == 1)) && (k <= 2)) && (x == 1)) && (c == 1)) || (((((0 <= k) && (((__int128) y * y) == ((__int128) k * y))) && ((c + ((__int128) c * y)) == (y + ((__int128) y * y)))) && (k <= 2)) && (((((((__int128) y * y) * y) * y) + ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 4)))) [2024-09-25 00:30:45,744 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:45,744 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (cond != 0) [2024-09-25 00:30:45,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:45,920 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_valuebound2.c[458,471] [2024-09-25 00:30:45,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:45,946 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:45,979 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_valuebound2.c[458,471] Start Parsing Local [2024-09-25 00:30:45,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:46,008 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:46,008 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:46 WrapperNode [2024-09-25 00:30:46,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:46,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:46,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:46,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:46,027 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,028 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,034 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,041 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 [2024-09-25 00:30:46,042 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,042 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,045 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,048 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,049 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,050 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:46,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:46,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:46,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:46,054 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 25.09 12:30:46" (1/1) ... [2024-09-25 00:30:46,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:46,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:46,078 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) [2024-09-25 00:30:46,093 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 [2024-09-25 00:30:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-25 00:30:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:46,199 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:46,201 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:46,330 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:46,349 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:46,374 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:46,375 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:46,375 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:46 BoogieIcfgContainer [2024-09-25 00:30:46,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:46,376 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:46,376 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:46,377 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:46,377 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:45" (1/4) ... [2024-09-25 00:30:46,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@234781c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:46, skipping insertion in model container [2024-09-25 00:30:46,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:45" (2/4) ... [2024-09-25 00:30:46,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@234781c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:46, skipping insertion in model container [2024-09-25 00:30:46,378 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 25.09 12:30:46" (3/4) ... [2024-09-25 00:30:46,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@234781c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:46, skipping insertion in model container [2024-09-25 00:30:46,379 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:46" (4/4) ... [2024-09-25 00:30:46,380 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound2.c [2024-09-25 00:30:46,384 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:46,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:46,386 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:46,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:46,387 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:30:46,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:30:46,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:46,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:46,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:46,389 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:30:46,458 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:46,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,460 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,461 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,471 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:46,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,476 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,492 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:46,510 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:46,511 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,511 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,511 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,511 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,528 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:46,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,533 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,537 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:46,551 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:46,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,562 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:46,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,567 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,570 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:46,591 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:46,593 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,604 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:46,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,604 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,604 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,612 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:46,623 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:46,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,637 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:46,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,661 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:46,672 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:46,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,672 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,675 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:46,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,676 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,676 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,677 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,679 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:46,695 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:46,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,697 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:46,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,698 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,701 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:46,714 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:46,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:46,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:46,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:46,715 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:46,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,733 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-25 00:30:46,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:46,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:46,736 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:46,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:46,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:46,743 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:46,746 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:30:46,747 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@234781c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:46, skipping insertion in model container [2024-09-25 00:30:46,748 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:46,750 INFO L158 Benchmark]: Toolchain (without parser) took 1025.56ms. Allocated memory is still 184.5MB. Free memory was 111.3MB in the beginning and 105.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:46,751 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:46,751 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:46,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.59ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 97.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:46,752 INFO L158 Benchmark]: Boogie Preprocessor took 40.19ms. Allocated memory is still 184.5MB. Free memory was 97.4MB in the beginning and 95.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:46,753 INFO L158 Benchmark]: RCFGBuilder took 322.30ms. Allocated memory is still 184.5MB. Free memory was 95.3MB in the beginning and 142.9MB in the end (delta: -47.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:46,754 INFO L158 Benchmark]: Referee took 371.94ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 105.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:46,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 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 check that procedure precondition always holds at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.59ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 97.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.19ms. Allocated memory is still 184.5MB. Free memory was 97.4MB in the beginning and 95.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.30ms. Allocated memory is still 184.5MB. Free memory was 95.3MB in the beginning and 142.9MB in the end (delta: -47.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Referee took 371.94ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 105.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:30:46,787 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...