This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:09,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:09,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:09,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:09,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:09,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:09,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:09,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:09,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:09,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:09,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:09,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:09,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:09,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:09,890 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:09,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:09,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:09,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:09,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:09,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:09,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:09,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:09,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:09,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:09,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:09,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:09,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:09,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:09,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:09,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:09,900 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:09,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:09,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:09,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:09,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:09,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:09,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:09,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:09,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:09,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:09,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:09,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:09,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:09,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:10,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:10,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:10,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:10,194 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:10,195 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:10,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-09-13 10:07:10,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:10,290 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:10,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 10:07:11,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:11,896 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:11,897 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 10:07:11,903 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/52e046cf4/9f02958087ba4b7e9b3cb0b594422d3a/FLAG13569b018 [2024-09-13 10:07:11,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/52e046cf4/9f02958087ba4b7e9b3cb0b594422d3a [2024-09-13 10:07:11,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:11,918 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:11,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:11,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:11,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:11,926 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 10:07:10" (1/2) ... [2024-09-13 10:07:11,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315ed1e7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:11, skipping insertion in model container [2024-09-13 10:07:11,927 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 10:07:10" (1/2) ... [2024-09-13 10:07:11,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b4bd9fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:11, skipping insertion in model container [2024-09-13 10:07:11,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:11" (2/2) ... [2024-09-13 10:07:11,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315ed1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:11, skipping insertion in model container [2024-09-13 10:07:11,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:11" (2/2) ... [2024-09-13 10:07:11,941 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:11,942 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= (y % 4294967296))) [2024-09-13 10:07:11,942 INFO L1541 ArrayList]: Function contract at [L10]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:11,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:12,109 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/loop-acceleration/phases_2-2.c[459,472] [2024-09-13 10:07:12,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:12,132 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:12,178 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/loop-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-09-13 10:07:12,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:12,204 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:12,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12 WrapperNode [2024-09-13 10:07:12,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:12,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:12,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:12,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:12,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,240 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 10:07:12,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:12,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:12,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:12,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:12,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:12,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:12,296 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 10:07:12,298 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 10:07:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:07:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:12,421 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:12,423 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:12,569 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:12,580 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:12,604 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:12,606 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:12,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:12 BoogieIcfgContainer [2024-09-13 10:07:12,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:12,607 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:12,608 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:12,609 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:12,609 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 10:07:10" (1/4) ... [2024-09-13 10:07:12,610 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31ef96c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:12, skipping insertion in model container [2024-09-13 10:07:12,611 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:11" (2/4) ... [2024-09-13 10:07:12,612 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31ef96c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:12, skipping insertion in model container [2024-09-13 10:07:12,612 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (3/4) ... [2024-09-13 10:07:12,612 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31ef96c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:12, skipping insertion in model container [2024-09-13 10:07:12,612 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:12" (4/4) ... [2024-09-13 10:07:12,613 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-09-13 10:07:12,618 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:12,619 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:12,619 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:12,620 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:12,620 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 10:07:12,621 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 10:07:12,621 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 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 10:07:12,672 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:12,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:12,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:12,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:12,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:12,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:12,694 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:12,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:12,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:12,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:12,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:12,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:12,723 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:12,742 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:12,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:12,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:12,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:12,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:12,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:12,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:12,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:12,752 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:12,752 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:12,752 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:12,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:12,758 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:12,769 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:12,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:12,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:12,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:12,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:12,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:12,783 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:12,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:12,784 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:12,784 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:12,784 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:12,789 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:16,799 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:07:16,811 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:16,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:16,812 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:16,812 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:16,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:16,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:16,815 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:16,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:16,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:16,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:16,816 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:16,817 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:16,818 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:16,826 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:16,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:16,826 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:16,826 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:16,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:16,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:16,828 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:16,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:16,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:16,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:16,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:16,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:16,831 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:16,835 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:07:16,836 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31ef96c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:16, skipping insertion in model container [2024-09-13 10:07:16,836 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:16,838 INFO L158 Benchmark]: Toolchain (without parser) took 4919.23ms. Allocated memory is still 178.3MB. Free memory was 107.7MB in the beginning and 63.1MB in the end (delta: 44.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:16,839 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:16,839 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:16,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.53ms. Allocated memory is still 178.3MB. Free memory was 107.1MB in the beginning and 94.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:16,841 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 178.3MB. Free memory was 94.0MB in the beginning and 92.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:16,842 INFO L158 Benchmark]: RCFGBuilder took 349.54ms. Allocated memory is still 178.3MB. Free memory was 91.9MB in the beginning and 78.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:16,843 INFO L158 Benchmark]: Referee took 4228.45ms. Allocated memory is still 178.3MB. Free memory was 78.9MB in the beginning and 63.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:07:16,848 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 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. 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 12. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. 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 0.19ms. Allocated memory is still 125.8MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.53ms. Allocated memory is still 178.3MB. Free memory was 107.1MB in the beginning and 94.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 178.3MB. Free memory was 94.0MB in the beginning and 92.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.54ms. Allocated memory is still 178.3MB. Free memory was 91.9MB in the beginning and 78.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 4228.45ms. Allocated memory is still 178.3MB. Free memory was 78.9MB in the beginning and 63.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:16,874 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:19,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:19,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:07:19,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:19,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:19,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:19,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:19,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:19,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:19,292 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:19,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:19,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:19,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:19,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:19,294 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:19,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:19,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:19,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:19,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:19,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:19,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:19,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:19,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:19,302 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:07:19,302 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:07:19,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:19,303 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:07:19,303 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:19,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:19,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:19,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:19,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:19,304 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:19,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:19,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:19,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:19,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:19,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:19,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:19,306 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:07:19,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:07:19,308 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:19,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:19,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:19,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:19,309 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:07:19,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:19,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:19,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:19,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:19,686 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:19,687 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:19,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-09-13 10:07:19,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:19,739 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:19,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 10:07:21,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:21,592 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:21,593 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-09-13 10:07:21,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/62296c624/c9bcb0f7d2d84dab842c783d51b6d490/FLAG537581f1a [2024-09-13 10:07:21,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/62296c624/c9bcb0f7d2d84dab842c783d51b6d490 [2024-09-13 10:07:21,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:21,990 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:21,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:21,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:21,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:21,997 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 10:07:19" (1/2) ... [2024-09-13 10:07:22,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f920351 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:21, skipping insertion in model container [2024-09-13 10:07:22,001 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 10:07:19" (1/2) ... [2024-09-13 10:07:22,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5590e5d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:22, skipping insertion in model container [2024-09-13 10:07:22,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:21" (2/2) ... [2024-09-13 10:07:22,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f920351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22, skipping insertion in model container [2024-09-13 10:07:22,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:21" (2/2) ... [2024-09-13 10:07:22,013 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:22,016 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= (y % 4294967296))) [2024-09-13 10:07:22,017 INFO L1541 ArrayList]: Function contract at [L10]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:22,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:22,196 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/loop-acceleration/phases_2-2.c[459,472] [2024-09-13 10:07:22,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:22,230 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:22,268 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/loop-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-09-13 10:07:22,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:22,290 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:22,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22 WrapperNode [2024-09-13 10:07:22,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:22,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:22,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:22,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:22,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,331 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 10:07:22,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:22,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:22,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:22,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:22,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (1/1) ... [2024-09-13 10:07:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:22,394 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 10:07:22,396 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 10:07:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:07:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:07:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:07:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:07:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:22,529 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:22,533 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:22,772 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:22,800 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:22,837 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:22,840 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:22,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:22 BoogieIcfgContainer [2024-09-13 10:07:22,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:22,842 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:22,842 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:22,842 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:22,843 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 10:07:19" (1/4) ... [2024-09-13 10:07:22,843 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b773760 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:22, skipping insertion in model container [2024-09-13 10:07:22,843 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:21" (2/4) ... [2024-09-13 10:07:22,843 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b773760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:22, skipping insertion in model container [2024-09-13 10:07:22,843 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:22" (3/4) ... [2024-09-13 10:07:22,844 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b773760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:22, skipping insertion in model container [2024-09-13 10:07:22,844 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:22" (4/4) ... [2024-09-13 10:07:22,846 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-09-13 10:07:22,850 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:22,851 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:22,852 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:22,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:22,852 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 10:07:22,852 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 10:07:22,853 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-13 10:07:22,899 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:22,901 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:22,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:22,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:22,903 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:22,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:22,923 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:22,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:22,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:22,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:22,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:22,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:22,958 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:22,982 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:22,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:22,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:22,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:22,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:22,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:22,986 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:22,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:22,989 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:22,991 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:22,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:22,991 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:22,998 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:23,008 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:23,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:23,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:23,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:23,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:23,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:23,033 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:23,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:23,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:23,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:23,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:23,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:23,061 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:23,079 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:23,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:23,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:23,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:23,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:23,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:23,084 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:23,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:23,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:23,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:23,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:23,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:23,087 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:23,097 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:23,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:23,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:23,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:23,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:23,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:23,100 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:23,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:23,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:23,100 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:23,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:23,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:23,103 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:23,106 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:23,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b773760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:23, skipping insertion in model container [2024-09-13 10:07:23,106 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:23,108 INFO L158 Benchmark]: Toolchain (without parser) took 1117.99ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 34.0MB in the end (delta: 8.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-09-13 10:07:23,109 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 50.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:23,109 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:23,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.38ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 28.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:23,110 INFO L158 Benchmark]: Boogie Preprocessor took 67.40ms. Allocated memory is still 60.8MB. Free memory was 28.6MB in the beginning and 26.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:23,111 INFO L158 Benchmark]: RCFGBuilder took 480.17ms. Allocated memory is still 60.8MB. Free memory was 26.5MB in the beginning and 31.5MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 10:07:23,111 INFO L158 Benchmark]: Referee took 265.01ms. Allocated memory is still 60.8MB. Free memory was 31.5MB in the beginning and 34.0MB in the end (delta: -2.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:23,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. 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 23 to loop head at line 23. 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 12. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.28ms. Allocated memory is still 50.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.38ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 28.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.40ms. Allocated memory is still 60.8MB. Free memory was 28.6MB in the beginning and 26.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.17ms. Allocated memory is still 60.8MB. Free memory was 26.5MB in the beginning and 31.5MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 265.01ms. Allocated memory is still 60.8MB. Free memory was 31.5MB in the beginning and 34.0MB in the end (delta: -2.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:23,149 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...