This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:55,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:55,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:55,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:55,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:55,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:55,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:55,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:55,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:55,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:55,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:55,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:55,755 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:55,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:55,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:55,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:55,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:55,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:55,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:55,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:55,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:55,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:55,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:55,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:55,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:55,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:55,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:55,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:55,763 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:55,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:55,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:55,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:56,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:56,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:56,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:56,117 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:56,118 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:56,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-10-15 15:32:56,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:56,183 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:56,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-10-15 15:32:57,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:57,990 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:57,994 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-10-15 15:32:58,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2b59bc89d/1c3f5d03d7844a22add4d05823ab769f/FLAG29019434c [2024-10-15 15:32:58,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2b59bc89d/1c3f5d03d7844a22add4d05823ab769f [2024-10-15 15:32:58,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:58,024 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:58,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:58,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:58,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:58,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:56" (1/2) ... [2024-10-15 15:32:58,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec3e34c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:58, skipping insertion in model container [2024-10-15 15:32:58,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:56" (1/2) ... [2024-10-15 15:32:58,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7062e19d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:58, skipping insertion in model container [2024-10-15 15:32:58,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:58" (2/2) ... [2024-10-15 15:32:58,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec3e34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58, skipping insertion in model container [2024-10-15 15:32:58,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:58" (2/2) ... [2024-10-15 15:32:58,050 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:58,051 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-10-15 15:32:58,051 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:32:58,051 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:58,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:58,255 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/lcm2_valuebound100.c[537,550] [2024-10-15 15:32:58,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:58,289 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:58,327 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/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-10-15 15:32:58,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:58,363 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:58,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58 WrapperNode [2024-10-15 15:32:58,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:58,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:58,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:58,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:58,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,393 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:58,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:58,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:58,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:58,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:58,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,418 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 [2024-10-15 15:32:58,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:58,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:58,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:58,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:58,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (1/1) ... [2024-10-15 15:32:58,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:58,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:58,471 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) [2024-10-15 15:32:58,475 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 [2024-10-15 15:32:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:58,601 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:58,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:58,886 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:58,903 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:58,931 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:58,931 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:58,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:58 BoogieIcfgContainer [2024-10-15 15:32:58,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:58,932 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:58,932 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:58,933 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:58,933 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:56" (1/4) ... [2024-10-15 15:32:58,934 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cde3948 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:58, skipping insertion in model container [2024-10-15 15:32:58,934 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:58" (2/4) ... [2024-10-15 15:32:58,934 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cde3948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:58, skipping insertion in model container [2024-10-15 15:32:58,935 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:58" (3/4) ... [2024-10-15 15:32:58,935 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cde3948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:58, skipping insertion in model container [2024-10-15 15:32:58,935 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:58" (4/4) ... [2024-10-15 15:32:58,936 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-10-15 15:32:58,939 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:58,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:58,940 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:32:58,940 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:58,940 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:58,940 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:58,940 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:32:58,940 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:58,940 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:32:58,988 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:58,989 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:58,990 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:58,991 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:58,992 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:58,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:59,002 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:59,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:59,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:59,003 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:59,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:59,010 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:59,030 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:59,065 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:59,066 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:59,066 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:59,066 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:59,066 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:59,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:59,095 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:59,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:59,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:59,096 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:59,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:59,101 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:59,104 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:59,123 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:59,123 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:59,123 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:59,123 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:59,124 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:59,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:59,132 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:59,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:59,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:59,133 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:59,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:59,133 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:03,140 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:03,168 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:03,169 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:03,169 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:03,169 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:03,169 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:03,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,180 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:03,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:03,181 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:03,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:03,185 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:03,191 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:03,204 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:03,204 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:03,204 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:03,205 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:03,205 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:03,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,206 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:03,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:03,207 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:03,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:03,207 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:03,209 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:03,222 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:03,222 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:03,222 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:03,222 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:03,222 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:03,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,235 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:03,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:03,236 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:03,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:03,236 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:03,239 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:03,251 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:03,251 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:03,252 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:03,252 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:03,252 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:03,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,277 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:03,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:03,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:03,278 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:03,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:03,289 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:07,296 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:07,301 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:07,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cde3948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:07, skipping insertion in model container [2024-10-15 15:33:07,302 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:07,304 INFO L158 Benchmark]: Toolchain (without parser) took 9279.74ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 52.1MB in the end (delta: 14.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:07,305 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:07,307 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:07,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 96.5MB. Free memory was 66.1MB in the beginning and 51.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:07,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.13ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 50.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:07,309 INFO L158 Benchmark]: Boogie Preprocessor took 47.35ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:07,310 INFO L158 Benchmark]: RCFGBuilder took 489.94ms. Allocated memory is still 96.5MB. Free memory was 48.7MB in the beginning and 61.8MB in the end (delta: -13.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:07,311 INFO L158 Benchmark]: Referee took 8370.32ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 52.1MB in the end (delta: 9.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:07,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. 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 37 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 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 96.5MB. Free memory was 66.1MB in the beginning and 51.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.13ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 50.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.35ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.94ms. Allocated memory is still 96.5MB. Free memory was 48.7MB in the beginning and 61.8MB in the end (delta: -13.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 8370.32ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 52.1MB in the end (delta: 9.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:07,339 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:09,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:09,438 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:09,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:09,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:09,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:09,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:09,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:09,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:09,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:09,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:09,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:09,490 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:09,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:09,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:09,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:09,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:09,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:09,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:09,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:09,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:09,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:09,496 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:09,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:09,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:09,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:09,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:09,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:09,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:09,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:09,500 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:09,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:09,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:09,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:09,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:09,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:09,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:09,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:09,841 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:09,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-10-15 15:33:11,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:11,589 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:11,589 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-10-15 15:33:11,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c057ee751/d35f9fd6c6404dcea98127d4c58d317a/FLAG5eb4eb009 [2024-10-15 15:33:11,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c057ee751/d35f9fd6c6404dcea98127d4c58d317a [2024-10-15 15:33:11,609 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:11,610 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:11,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-10-15 15:33:11,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:11,665 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:11,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:11,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:11,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:11,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:11" (1/2) ... [2024-10-15 15:33:11,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbf6fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:11, skipping insertion in model container [2024-10-15 15:33:11,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:11" (1/2) ... [2024-10-15 15:33:11,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d8d8816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:11, skipping insertion in model container [2024-10-15 15:33:11,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:33:11" (2/2) ... [2024-10-15 15:33:11,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbf6fd9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:11, skipping insertion in model container [2024-10-15 15:33:11,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:33:11" (2/2) ... [2024-10-15 15:33:11,685 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:11,685 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-10-15 15:33:11,688 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:11,688 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:11,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:11,885 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/lcm2_valuebound100.c[537,550] [2024-10-15 15:33:11,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:11,916 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:11,957 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/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-10-15 15:33:11,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:11,994 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:11,995 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:11 WrapperNode [2024-10-15 15:33:11,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:11,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:11,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:11,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:12,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,027 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:12,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:12,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:12,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:12,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:12,042 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,042 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,044 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,054 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 [2024-10-15 15:33:12,055 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,055 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,063 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,067 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,073 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,073 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:12,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:12,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:12,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:12,078 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 15.10 03:33:11" (1/1) ... [2024-10-15 15:33:12,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:12,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:12,109 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) [2024-10-15 15:33:12,115 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 [2024-10-15 15:33:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:12,223 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:12,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:12,705 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:12,729 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:12,756 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:12,757 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:12,757 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:12 BoogieIcfgContainer [2024-10-15 15:33:12,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:12,758 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:12,758 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:12,759 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:12,759 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:11" (1/4) ... [2024-10-15 15:33:12,760 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77e616c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:12, skipping insertion in model container [2024-10-15 15:33:12,760 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:33:11" (2/4) ... [2024-10-15 15:33:12,760 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77e616c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:12, skipping insertion in model container [2024-10-15 15:33:12,760 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 15.10 03:33:11" (3/4) ... [2024-10-15 15:33:12,761 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77e616c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:12, skipping insertion in model container [2024-10-15 15:33:12,761 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:12" (4/4) ... [2024-10-15 15:33:12,762 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-10-15 15:33:12,766 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:12,767 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:12,768 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:12,768 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:12,768 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:33:12,768 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:12,769 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:33:12,772 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:12,772 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:12,825 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:12,826 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:12,827 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:12,828 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:12,829 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:12,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:12,850 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:12,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:12,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:12,851 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:12,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:12,858 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:12,877 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:12,908 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:12,909 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:12,909 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:12,909 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:12,909 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:12,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:12,923 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:12,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:12,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:12,924 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:12,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:12,925 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:12,929 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:12,961 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:12,962 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:12,962 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:12,962 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:12,963 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:12,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:12,970 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:12,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:12,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:12,974 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:12,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:12,974 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,021 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:17,061 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:17,061 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,062 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,062 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,062 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,065 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:17,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,067 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,068 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,075 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:17,087 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:17,088 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,088 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,088 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,088 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,090 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:17,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,091 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,091 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,093 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:17,106 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:17,106 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,106 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,107 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,107 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,120 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:17,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,121 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,122 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,151 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:17,169 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:17,170 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,170 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,170 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,171 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,198 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:17,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,199 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,205 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:21,292 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:21,323 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:21,323 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77e616c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:21, skipping insertion in model container [2024-10-15 15:33:21,323 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:21,325 INFO L158 Benchmark]: Toolchain (without parser) took 9659.62ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 51.0MB in the beginning and 71.6MB in the end (delta: -20.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:21,326 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:21,326 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:21,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.68ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 35.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:21,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.75ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 54.7MB in the end (delta: -19.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:21,327 INFO L158 Benchmark]: Boogie Preprocessor took 45.02ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:21,328 INFO L158 Benchmark]: RCFGBuilder took 681.01ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 37.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:21,328 INFO L158 Benchmark]: Referee took 8565.45ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 37.6MB in the beginning and 71.6MB in the end (delta: -34.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:21,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.68ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 35.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.75ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 54.7MB in the end (delta: -19.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.02ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.01ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 37.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8565.45ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 37.6MB in the beginning and 71.6MB in the end (delta: -34.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:21,382 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...