This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:12:26,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:12:26,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:12:26,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:12:26,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:12:26,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:12:26,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:12:26,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:12:26,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:12:26,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:12:26,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:12:26,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:12:26,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:12:26,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:12:26,533 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:12:26,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:12:26,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:12:26,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:12:26,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:12:26,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:12:26,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:12:26,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:12:26,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:12:26,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:12:26,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:12:26,536 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:12:26,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:12:26,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:12:26,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:12:26,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:12:26,538 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:12:26,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:12:26,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:12:26,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:26,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:12:26,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:12:26,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:12:26,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:12:26,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:12:26,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:12:26,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:12:26,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:12:26,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:12:26,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:12:26,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:12:26,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:12:26,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:12:26,748 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:12:26,749 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:12:26,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps5-ll_valuebound1.yml/witness-2.1.yml [2024-09-20 20:12:26,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:12:26,791 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:12:26,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c [2024-09-20 20:12:28,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:12:28,275 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:12:28,275 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c [2024-09-20 20:12:28,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c9d1c765/2726770ea21a41e0b148384f49abad01/FLAG785723869 [2024-09-20 20:12:28,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c9d1c765/2726770ea21a41e0b148384f49abad01 [2024-09-20 20:12:28,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:12:28,304 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:12:28,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:28,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:12:28,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:12:28,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:26" (1/2) ... [2024-09-20 20:12:28,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c46ab2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:26" (1/2) ... [2024-09-20 20:12:28,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5462919 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:28" (2/2) ... [2024-09-20 20:12:28,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c46ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:28" (2/2) ... [2024-09-20 20:12:28,318 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:12:28,318 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((y == 1) && (x == 1)) && (k == 1)) && (c == 1)) || (((((x == 0) && (0 <= k)) && (k <= 1)) && (c == 0)) && (y == 0))) [2024-09-20 20:12:28,319 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:12:28,319 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:12:28,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:12:28,458 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/ps5-ll_valuebound1.c[458,471] [2024-09-20 20:12:28,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:28,510 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:12:28,539 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/ps5-ll_valuebound1.c[458,471] Start Parsing Local [2024-09-20 20:12:28,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:28,562 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:12:28,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28 WrapperNode [2024-09-20 20:12:28,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:28,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:12:28,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:12:28,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:12:28,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,592 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 [2024-09-20 20:12:28,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:12:28,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:12:28,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:12:28,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:12:28,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (1/1) ... [2024-09-20 20:12:28,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:28,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:12:28,640 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) [2024-09-20 20:12:28,649 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 [2024-09-20 20:12:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:12:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:12:28,696 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:12:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:12:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:12:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:12:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:12:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:12:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:12:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:12:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:12:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:12:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:12:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:12:28,755 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:12:28,757 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:12:28,910 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:12:28,928 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:12:28,955 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:12:28,957 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:12:28,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:28 BoogieIcfgContainer [2024-09-20 20:12:28,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:12:28,958 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:12:28,958 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:12:28,959 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:12:28,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:26" (1/4) ... [2024-09-20 20:12:28,959 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76ae31ee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:12:28" (2/4) ... [2024-09-20 20:12:28,960 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76ae31ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,960 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:28" (3/4) ... [2024-09-20 20:12:28,960 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76ae31ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,960 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:28" (4/4) ... [2024-09-20 20:12:28,961 INFO L79 RefereeObserver]: Analyzing ICFG ps5-ll_valuebound1.c [2024-09-20 20:12:28,965 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:12:28,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:12:28,966 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:12:28,966 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:12:28,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:12:28,966 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:12:28,967 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:12:28,967 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:12:28,967 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:12:28,967 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-20 20:12:29,019 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:12:29,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,031 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:12:29,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,032 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,048 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:29,060 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:12:29,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,061 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,061 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,074 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:12:29,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,074 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,080 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:29,101 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:29,102 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,106 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:29,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,109 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:29,121 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:12:29,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,127 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:12:29,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,128 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,130 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:29,140 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:12:29,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,150 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:12:29,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,151 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,154 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:29,163 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:12:29,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,164 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,164 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,166 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:12:29,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,167 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,167 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,167 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,168 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,169 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:29,184 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:29,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,184 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,186 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:29,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,193 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:29,207 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:12:29,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:29,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:29,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:29,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:29,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,226 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-20 20:12:29,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:29,227 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:29,228 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:29,228 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:29,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:29,234 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:29,236 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:12:29,237 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76ae31ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:29, skipping insertion in model container [2024-09-20 20:12:29,237 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:29,238 INFO L158 Benchmark]: Toolchain (without parser) took 934.16ms. Allocated memory is still 195.0MB. Free memory was 132.7MB in the beginning and 106.8MB in the end (delta: 25.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-09-20 20:12:29,239 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:29,239 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 100.7MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:29,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.75ms. Allocated memory is still 195.0MB. Free memory was 132.0MB in the beginning and 159.2MB in the end (delta: -27.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:12:29,240 INFO L158 Benchmark]: Boogie Preprocessor took 45.15ms. Allocated memory is still 195.0MB. Free memory was 159.2MB in the beginning and 157.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:29,241 INFO L158 Benchmark]: RCFGBuilder took 348.69ms. Allocated memory is still 195.0MB. Free memory was 157.1MB in the beginning and 143.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:29,241 INFO L158 Benchmark]: Referee took 279.06ms. Allocated memory is still 195.0MB. Free memory was 143.3MB in the beginning and 106.8MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:29,243 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 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 29. 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 loop head at line 28 to loop head at line 28. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 100.7MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.75ms. Allocated memory is still 195.0MB. Free memory was 132.0MB in the beginning and 159.2MB in the end (delta: -27.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.15ms. Allocated memory is still 195.0MB. Free memory was 159.2MB in the beginning and 157.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.69ms. Allocated memory is still 195.0MB. Free memory was 157.1MB in the beginning and 143.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 279.06ms. Allocated memory is still 195.0MB. Free memory was 143.3MB in the beginning and 106.8MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:12:29,269 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...