This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:29,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:29,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:29,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:29,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:29,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:29,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:29,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:29,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:29,872 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:29,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:29,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:29,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:29,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:29,874 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:29,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:29,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:29,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:29,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:29,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:29,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:29,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:29,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:29,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:29,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:29,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:29,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:29,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:29,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:29,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:29,884 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:29,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:29,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:29,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:29,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:29,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:29,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:29,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:29,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:29,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:29,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:29,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:29,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:29,891 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:30,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:30,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:30,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:30,160 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:30,161 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:30,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv_valuebound50.yml/witness-2.1.yml [2024-09-13 10:10:30,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:30,216 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:30,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c [2024-09-13 10:10:31,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:31,862 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:31,863 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound50.c [2024-09-13 10:10:31,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bb64c195f/4a33c5dd44b14e50ba942c60e48a3972/FLAGc22bfd59e [2024-09-13 10:10:32,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bb64c195f/4a33c5dd44b14e50ba942c60e48a3972 [2024-09-13 10:10:32,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:32,250 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:32,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:32,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:32,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:32,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:30" (1/2) ... [2024-09-13 10:10:32,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fdce29 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:32, skipping insertion in model container [2024-09-13 10:10:32,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:30" (1/2) ... [2024-09-13 10:10:32,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4408f634 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:32, skipping insertion in model container [2024-09-13 10:10:32,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:32" (2/2) ... [2024-09-13 10:10:32,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fdce29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32, skipping insertion in model container [2024-09-13 10:10:32,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:32" (2/2) ... [2024-09-13 10:10:32,273 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:32,274 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((long long) x2 * y1) + y3) + y2) == x1) [2024-09-13 10:10:32,274 INFO L1541 ArrayList]: Function contract at [L15]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:32,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:32,434 WARN L247 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/mannadiv_valuebound50.c[573,586] [2024-09-13 10:10:32,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:32,457 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:10:32,498 WARN L247 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/mannadiv_valuebound50.c[573,586] Start Parsing Local [2024-09-13 10:10:32,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:32,529 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:32,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32 WrapperNode [2024-09-13 10:10:32,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:32,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:32,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:32,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:32,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,566 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 [2024-09-13 10:10:32,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:32,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:32,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:32,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:32,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (1/1) ... [2024-09-13 10:10:32,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:32,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:32,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:32,615 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:10:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:32,716 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:32,718 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:32,825 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:32,837 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:32,858 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:32,859 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:32,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:32 BoogieIcfgContainer [2024-09-13 10:10:32,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:32,860 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:32,860 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:32,861 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:32,861 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:30" (1/4) ... [2024-09-13 10:10:32,861 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29bc9745 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:32, skipping insertion in model container [2024-09-13 10:10:32,862 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:32" (2/4) ... [2024-09-13 10:10:32,862 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29bc9745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:32, skipping insertion in model container [2024-09-13 10:10:32,862 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:32" (3/4) ... [2024-09-13 10:10:32,862 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29bc9745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:32, skipping insertion in model container [2024-09-13 10:10:32,863 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:32" (4/4) ... [2024-09-13 10:10:32,864 INFO L79 RefereeObserver]: Analyzing ICFG mannadiv_valuebound50.c [2024-09-13 10:10:32,867 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:32,868 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:32,868 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:10:32,868 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:32,868 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:32,868 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:32,869 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:32,869 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 10:10:32,918 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:32,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,956 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:32,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:32,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:32,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:32,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,997 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:33,017 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:33,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:33,017 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:33,017 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:33,017 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:33,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,034 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:33,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:33,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:33,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:33,035 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:33,042 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:33,059 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:33,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:33,060 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:33,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:33,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:33,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,074 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:33,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,074 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:33,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:33,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:33,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:33,111 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:33,128 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:33,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:33,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:33,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:33,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:33,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,135 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:33,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:33,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:33,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:33,136 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:33,140 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:33,155 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:33,157 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:33,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:33,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:33,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:33,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,175 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:33,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:33,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:33,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:33,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:33,192 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:33,203 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:33,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:33,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:33,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:33,208 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:33,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,209 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:33,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:33,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:33,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:33,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:33,212 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:33,216 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:33,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29bc9745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:33, skipping insertion in model container [2024-09-13 10:10:33,218 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:33,220 INFO L158 Benchmark]: Toolchain (without parser) took 969.34ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 122.1MB in the end (delta: -20.3MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:33,221 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:33,221 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:33,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.33ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 88.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:33,223 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:33,224 INFO L158 Benchmark]: RCFGBuilder took 275.18ms. Allocated memory is still 159.4MB. Free memory was 86.4MB in the beginning and 73.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:33,224 INFO L158 Benchmark]: Referee took 358.11ms. Allocated memory is still 159.4MB. Free memory was 73.9MB in the beginning and 122.1MB in the end (delta: -48.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:33,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 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 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.33ms. Allocated memory is still 159.4MB. Free memory was 101.8MB in the beginning and 88.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.18ms. Allocated memory is still 159.4MB. Free memory was 86.4MB in the beginning and 73.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 358.11ms. Allocated memory is still 159.4MB. Free memory was 73.9MB in the beginning and 122.1MB in the end (delta: -48.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:33,253 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...