This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:35,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:35,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:35,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:35,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:35,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:35,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:35,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:35,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:35,127 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:35,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:35,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:35,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:35,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:35,129 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:35,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:35,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:35,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:35,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:35,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:35,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:35,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:35,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:35,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:35,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:35,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:35,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:35,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:35,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:35,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:35,139 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:35,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:35,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:35,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:35,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:35,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:35,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:35,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:35,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:35,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:35,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:35,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:35,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:35,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:35,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:35,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:35,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:35,468 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:35,480 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:35,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound5.yml/witness-2.1.yml [2024-09-21 12:50:35,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:35,536 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:35,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-09-21 12:50:36,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:37,213 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:37,214 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-09-21 12:50:37,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/77c7b2dca/00c8597251cc431192928e536c21b199/FLAG620857cb9 [2024-09-21 12:50:37,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/77c7b2dca/00c8597251cc431192928e536c21b199 [2024-09-21 12:50:37,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:37,623 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:37,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:37,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:37,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:37,635 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 12:50:35" (1/2) ... [2024-09-21 12:50:37,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fad430c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:37, skipping insertion in model container [2024-09-21 12:50:37,637 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 12:50:35" (1/2) ... [2024-09-21 12:50:37,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50fce637 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:37, skipping insertion in model container [2024-09-21 12:50:37,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:37" (2/2) ... [2024-09-21 12:50:37,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fad430c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37, skipping insertion in model container [2024-09-21 12:50:37,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:37" (2/2) ... [2024-09-21 12:50:37,645 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:37,646 INFO L1541 ArrayList]: Loop invariant at [L34-L45] ((((((((((((z + ((__int128) y * x)) == ((long long) b * a)) && (b <= 5)) && (((long long) a * 2) == x)) && (0 <= a)) && (1 <= b)) && (a <= 5)) && ((((long long) -1 + b) / 2) == y)) || ((((((z == ((long long) b * a)) && (b <= 5)) && (0 <= a)) && (1 <= b)) && (y == 0)) && (a <= 5))) || (((((((z == 0) && (b == y)) && (0 <= a)) && (1 <= y)) && (a <= 5)) && (a == x)) && (y <= 5))) || ((((((y == 1) && (b <= 5)) && (((__int128) z + x) == ((long long) b * a))) && (0 <= a)) && (1 <= b)) && (a <= 5))) || ((((((((z == 0) && (y == (b / 2))) && (b <= 5)) && (((long long) a * 2) == x)) && (0 <= a)) && ((b % 2) != 1)) && (1 <= y)) && (a <= 5))) [2024-09-21 12:50:37,646 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (cond != 0) [2024-09-21 12:50:37,646 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:37,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:37,797 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/prodbin-ll_valuebound5.c[537,550] [2024-09-21 12:50:37,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:37,823 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:37,866 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/prodbin-ll_valuebound5.c[537,550] Start Parsing Local [2024-09-21 12:50:37,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:37,914 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:37,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37 WrapperNode [2024-09-21 12:50:37,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:37,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:37,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:37,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:37,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,948 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 12:50:37,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:37,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:37,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:37,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:37,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (1/1) ... [2024-09-21 12:50:37,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:37,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:37,991 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 12:50:37,993 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 12:50:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:38,100 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:38,106 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:38,333 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:38,344 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:38,364 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:38,365 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:38,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:38 BoogieIcfgContainer [2024-09-21 12:50:38,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:38,366 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:38,366 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:38,369 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:38,369 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 12:50:35" (1/4) ... [2024-09-21 12:50:38,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1983933f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:38, skipping insertion in model container [2024-09-21 12:50:38,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:37" (2/4) ... [2024-09-21 12:50:38,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1983933f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:38, skipping insertion in model container [2024-09-21 12:50:38,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:37" (3/4) ... [2024-09-21 12:50:38,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1983933f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:38, skipping insertion in model container [2024-09-21 12:50:38,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:38" (4/4) ... [2024-09-21 12:50:38,372 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound5.c [2024-09-21 12:50:38,377 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:38,378 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 12:50:38,378 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:38,378 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:50:38,379 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:38,379 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:38,379 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 12:50:38,379 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 12:50:38,380 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:38,436 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:38,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,456 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:38,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,487 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:38,508 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:38,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,527 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:38,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,528 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,532 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,539 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:38,559 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:50:38,559 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,560 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,560 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,630 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-21 12:50:38,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,674 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:38,695 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:50:38,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,714 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:50:38,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,720 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:38,739 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:38,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,752 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:38,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,759 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:38,777 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:38,778 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,778 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,778 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,778 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,781 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:38,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,785 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:38,799 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:38,799 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:38,799 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:38,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:38,799 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:38,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,804 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:38,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:38,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:38,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:38,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:38,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:38,807 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:38,811 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:50:38,811 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1983933f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:38, skipping insertion in model container [2024-09-21 12:50:38,812 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:38,813 INFO L158 Benchmark]: Toolchain (without parser) took 1189.26ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 98.0MB in the end (delta: 50.1MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:38,815 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 79.5MB in the beginning and 79.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:38,816 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 109.1MB. Free memory was 77.4MB in the beginning and 77.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:38,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.74ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 133.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:38,818 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 131.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:38,818 INFO L158 Benchmark]: RCFGBuilder took 400.30ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 143.1MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:38,819 INFO L158 Benchmark]: Referee took 445.68ms. Allocated memory is still 182.5MB. Free memory was 143.1MB in the beginning and 98.0MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:38,823 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 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 34 to loop head at line 34. 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 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 14. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 79.5MB in the beginning and 79.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 109.1MB. Free memory was 77.4MB in the beginning and 77.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.74ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 133.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 182.5MB. Free memory was 133.8MB in the beginning and 131.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.30ms. Allocated memory is still 182.5MB. Free memory was 131.8MB in the beginning and 143.1MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 445.68ms. Allocated memory is still 182.5MB. Free memory was 143.1MB in the beginning and 98.0MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:50:38,853 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...