This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:51,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:51,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:51,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:51,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:51,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:51,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:51,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:51,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:51,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:51,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:51,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:51,878 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:51,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:51,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:51,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:51,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:51,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:51,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:51,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:51,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:51,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:51,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:51,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:51,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:51,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:51,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:51,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:51,883 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:51,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:51,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:51,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:52,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:52,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:52,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:52,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:52,201 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:52,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-10-15 15:31:53,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:54,092 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:54,096 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-10-15 15:31:54,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/89b434b27/4d9c8fc616ff4c4694951eb94c621b70/FLAGcf7f496f0 [2024-10-15 15:31:54,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/89b434b27/4d9c8fc616ff4c4694951eb94c621b70 [2024-10-15 15:31:54,503 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:54,504 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:54,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-10-15 15:31:54,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:54,582 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:54,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:54,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:54,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:54,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:54" (1/2) ... [2024-10-15 15:31:54,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768ca5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:54, skipping insertion in model container [2024-10-15 15:31:54,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:54" (1/2) ... [2024-10-15 15:31:54,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@453af1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:54, skipping insertion in model container [2024-10-15 15:31:54,594 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 03:31:54" (2/2) ... [2024-10-15 15:31:54,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768ca5a8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:54, skipping insertion in model container [2024-10-15 15:31:54,595 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 03:31:54" (2/2) ... [2024-10-15 15:31:54,602 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:54,603 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-10-15 15:31:54,604 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:31:54,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:54,756 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/lcm2.c[537,550] [2024-10-15 15:31:54,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:54,779 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:54,809 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/lcm2.c[537,550] Start Parsing Local [2024-10-15 15:31:54,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:54,836 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:54,837 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:54 WrapperNode [2024-10-15 15:31:54,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:54,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:54,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:54,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:54,843 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,852 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,858 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:54,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:54,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:54,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:54,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:54,868 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,868 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,870 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,887 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:54,887 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,887 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,889 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,893 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,894 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,899 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:54,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:54,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:54,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:54,901 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 03:31:54" (1/1) ... [2024-10-15 15:31:54,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:54,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:54,931 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 15:31:54,944 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 15:31:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:31:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:31:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:55,042 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:55,045 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:55,284 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:55,298 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:55,330 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:55,330 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:55,330 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:55 BoogieIcfgContainer [2024-10-15 15:31:55,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:55,331 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:55,332 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:55,332 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:55,333 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:54" (1/4) ... [2024-10-15 15:31:55,334 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@145fcd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:55, skipping insertion in model container [2024-10-15 15:31:55,334 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 03:31:54" (2/4) ... [2024-10-15 15:31:55,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@145fcd22 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:55, skipping insertion in model container [2024-10-15 15:31:55,335 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 03:31:54" (3/4) ... [2024-10-15 15:31:55,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@145fcd22 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:55, skipping insertion in model container [2024-10-15 15:31:55,336 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 03:31:55" (4/4) ... [2024-10-15 15:31:55,337 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-10-15 15:31:55,341 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:55,342 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:31:55,342 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:31:55,342 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:31:55,342 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:55,342 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 15:31:55,343 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 15:31:55,343 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 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 [2024-10-15 15:31:55,387 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:31:55,389 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:55,389 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:55,390 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:55,391 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:55,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:55,415 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:31:55,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:55,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:55,418 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:55,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:55,426 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:55,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:55,465 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:31:55,467 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:55,468 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:55,468 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:55,468 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:55,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:55,489 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:31:55,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:55,490 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:55,490 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:55,490 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:55,495 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:59,498 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:31:59,518 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:31:59,518 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:59,518 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:59,518 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:59,519 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:59,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:59,530 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:31:59,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:59,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:59,531 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:59,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:59,531 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:59,536 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:59,543 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:59,544 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:59,544 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:59,544 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:59,544 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:59,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:59,547 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:59,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:59,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:59,547 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:59,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:59,548 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:03,550 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:03,563 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:03,563 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:03,563 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:03,564 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:03,564 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:03,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:03,566 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:03,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:03,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:03,566 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:03,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:03,567 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:03,570 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:03,576 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:03,577 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:03,577 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:03,577 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:03,577 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:03,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:03,578 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:03,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:03,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:03,578 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:03,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:03,578 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:03,584 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:03,587 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:32:03,588 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@145fcd22 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:03, skipping insertion in model container [2024-10-15 15:32:03,588 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:03,589 INFO L158 Benchmark]: Toolchain (without parser) took 9006.74ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 50.3MB in the beginning and 45.5MB in the end (delta: 4.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-10-15 15:32:03,590 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:03,590 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:03,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.59ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 35.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:03,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.70ms. Allocated memory is still 73.4MB. Free memory was 35.6MB in the beginning and 34.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:03,591 INFO L158 Benchmark]: Boogie Preprocessor took 40.41ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 34.6MB in the beginning and 71.3MB in the end (delta: -36.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:03,592 INFO L158 Benchmark]: RCFGBuilder took 430.47ms. Allocated memory is still 92.3MB. Free memory was 71.3MB in the beginning and 55.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:03,592 INFO L158 Benchmark]: Referee took 8256.40ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 45.5MB in the end (delta: 10.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:03,595 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 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. 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. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.59ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 35.6MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.70ms. Allocated memory is still 73.4MB. Free memory was 35.6MB in the beginning and 34.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.41ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 34.6MB in the beginning and 71.3MB in the end (delta: -36.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * RCFGBuilder took 430.47ms. Allocated memory is still 92.3MB. Free memory was 71.3MB in the beginning and 55.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8256.40ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 45.5MB in the end (delta: 10.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:32:03,632 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:05,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:05,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:32:05,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:05,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:05,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:05,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:05,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:05,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:05,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:05,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:05,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:05,840 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:05,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:05,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:05,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:05,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:05,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:05,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:05,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:05,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:05,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:32:05,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:32:05,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:05,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:32:05,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:05,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:05,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:05,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:05,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:05,846 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:05,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:05,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:05,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:06,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:06,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:06,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:06,163 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:06,165 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:06,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-10-15 15:32:06,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:06,232 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:06,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-10-15 15:32:07,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:08,020 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:08,020 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-10-15 15:32:08,027 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6c726acdd/623e55cd51cd469db7b1cbc16a0601e7/FLAGbb2c608dc [2024-10-15 15:32:08,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6c726acdd/623e55cd51cd469db7b1cbc16a0601e7 [2024-10-15 15:32:08,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:08,045 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:08,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:08,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:08,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:08,054 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 03:32:06" (1/2) ... [2024-10-15 15:32:08,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5610d81 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:08, skipping insertion in model container [2024-10-15 15:32:08,057 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 03:32:06" (1/2) ... [2024-10-15 15:32:08,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@551b16bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:08, skipping insertion in model container [2024-10-15 15:32:08,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:08" (2/2) ... [2024-10-15 15:32:08,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5610d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08, skipping insertion in model container [2024-10-15 15:32:08,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:08" (2/2) ... [2024-10-15 15:32:08,067 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:08,068 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-10-15 15:32:08,068 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:08,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:08,281 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/lcm2.c[537,550] [2024-10-15 15:32:08,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:08,312 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:08,344 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/lcm2.c[537,550] Start Parsing Local [2024-10-15 15:32:08,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:08,370 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:08,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08 WrapperNode [2024-10-15 15:32:08,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:08,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:08,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:08,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:08,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,391 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:08,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:08,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:08,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:08,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:08,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,434 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:08,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:08,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:08,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:08,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:08,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (1/1) ... [2024-10-15 15:32:08,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:08,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:08,477 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 15:32:08,483 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 15:32:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:32:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:08,618 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:08,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:09,144 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:09,158 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:09,176 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:09,177 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:09,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:09 BoogieIcfgContainer [2024-10-15 15:32:09,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:09,178 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:09,178 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:09,178 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:09,178 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 03:32:06" (1/4) ... [2024-10-15 15:32:09,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e61a27c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:09, skipping insertion in model container [2024-10-15 15:32:09,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:08" (2/4) ... [2024-10-15 15:32:09,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e61a27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:09, skipping insertion in model container [2024-10-15 15:32:09,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:08" (3/4) ... [2024-10-15 15:32:09,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e61a27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:09, skipping insertion in model container [2024-10-15 15:32:09,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:09" (4/4) ... [2024-10-15 15:32:09,180 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-10-15 15:32:09,183 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:09,183 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:32:09,183 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:09,184 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:09,184 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:09,184 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 15:32:09,184 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 15:32:09,184 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:32:09,214 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:09,215 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:09,216 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:09,216 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:09,217 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:09,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:09,234 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:09,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:09,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:09,235 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:09,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:09,238 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:09,249 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:09,275 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:32:09,275 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:09,275 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:09,275 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:09,275 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:09,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:09,303 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:32:09,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:09,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:09,303 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:09,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:09,309 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:13,398 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:13,437 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:32:13,437 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:13,437 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:13,437 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:13,438 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:13,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:13,442 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:32:13,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:13,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:13,442 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:13,442 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:13,443 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:17,465 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:17,506 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:17,510 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:17,510 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:17,510 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:17,511 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:17,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,513 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:17,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:17,516 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:17,516 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:17,516 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,560 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:21,590 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:21,590 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,590 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,594 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,594 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,596 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:21,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,597 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,597 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,598 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:21,608 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:21,612 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,612 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,612 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,612 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,614 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:21,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,617 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,617 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,618 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:21,621 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:32:21,621 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e61a27c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:21, skipping insertion in model container [2024-10-15 15:32:21,621 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:21,626 INFO L158 Benchmark]: Toolchain (without parser) took 13576.89ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 77.9MB in the end (delta: -5.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,626 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:21,626 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 54.5MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:21,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.24ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 58.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.26ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 56.9MB in the end (delta: 754.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:21,627 INFO L158 Benchmark]: Boogie Preprocessor took 55.09ms. Allocated memory is still 109.1MB. Free memory was 56.9MB in the beginning and 86.4MB in the end (delta: -29.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,627 INFO L158 Benchmark]: RCFGBuilder took 729.36ms. Allocated memory is still 109.1MB. Free memory was 86.4MB in the beginning and 71.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,628 INFO L158 Benchmark]: Referee took 12443.79ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 77.9MB in the end (delta: -6.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,631 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 54.5MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.24ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 58.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.26ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 56.9MB in the end (delta: 754.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.09ms. Allocated memory is still 109.1MB. Free memory was 56.9MB in the beginning and 86.4MB in the end (delta: -29.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 729.36ms. Allocated memory is still 109.1MB. Free memory was 86.4MB in the beginning and 71.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12443.79ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 77.9MB in the end (delta: -6.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:32:21,696 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...