This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:46:26,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:26,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:26,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:26,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:26,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:26,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:26,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:26,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:26,963 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:26,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:26,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:26,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:26,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:26,965 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:26,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:26,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:26,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:26,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:26,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:26,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:26,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:26,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:26,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:26,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:26,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:26,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:26,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:26,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:26,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:26,972 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:26,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:26,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:26,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:26,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:26,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:26,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:26,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:26,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:26,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:26,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:26,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:26,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:26,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:27,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:27,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:27,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:27,214 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:27,215 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:27,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sumt2.yml/witness-2.1.yml [2024-09-25 11:46:27,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:27,305 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:27,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt2.c [2024-09-25 11:46:28,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:28,728 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:28,729 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt2.c [2024-09-25 11:46:28,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d8fcf4cea/20ef2a66569c4de3be41fe7470c7abcc/FLAG5f8652b3a [2024-09-25 11:46:28,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d8fcf4cea/20ef2a66569c4de3be41fe7470c7abcc [2024-09-25 11:46:28,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:28,756 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:28,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:28,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:28,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:28,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:27" (1/2) ... [2024-09-25 11:46:28,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2999b202 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:28, skipping insertion in model container [2024-09-25 11:46:28,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:27" (1/2) ... [2024-09-25 11:46:28,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ac3f270 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:28, skipping insertion in model container [2024-09-25 11:46:28,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:28" (2/2) ... [2024-09-25 11:46:28,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2999b202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28, skipping insertion in model container [2024-09-25 11:46:28,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:28" (2/2) ... [2024-09-25 11:46:28,773 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:28,775 INFO L1541 ArrayList]: Loop invariant at [L23-L30] ((((long long) i + j) % 4294967296) == l) [2024-09-25 11:46:28,775 INFO L1541 ArrayList]: Function contract at [L8]: requires (cond != 0), ensures ((cond != 0) && (\old(SIZE) == SIZE)) [2024-09-25 11:46:28,775 INFO L1541 ArrayList]: Function contract at [L16]: requires null, ensures (\old(SIZE) == SIZE) [2024-09-25 11:46:28,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:28,917 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt2.c[403,416] [2024-09-25 11:46:28,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:28,944 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:46:28,974 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt2.c[403,416] Start Parsing Global Start Parsing Local [2024-09-25 11:46:28,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:28,996 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:28,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28 WrapperNode [2024-09-25 11:46:28,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:28,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:28,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:28,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:29,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,024 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 [2024-09-25 11:46:29,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:29,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:29,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:29,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:29,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (1/1) ... [2024-09-25 11:46:29,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:29,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:29,068 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) [2024-09-25 11:46:29,096 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 [2024-09-25 11:46:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:46:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:29,217 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:29,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:29,332 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:29,343 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:29,361 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:29,361 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:46:29,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:29 BoogieIcfgContainer [2024-09-25 11:46:29,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:29,363 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:29,363 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:29,367 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:29,367 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:27" (1/4) ... [2024-09-25 11:46:29,368 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a037815 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:29, skipping insertion in model container [2024-09-25 11:46:29,368 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:28" (2/4) ... [2024-09-25 11:46:29,368 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a037815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:29, skipping insertion in model container [2024-09-25 11:46:29,368 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:28" (3/4) ... [2024-09-25 11:46:29,368 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a037815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:29, skipping insertion in model container [2024-09-25 11:46:29,368 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:29" (4/4) ... [2024-09-25 11:46:29,369 INFO L79 RefereeObserver]: Analyzing ICFG sumt2.c [2024-09-25 11:46:29,376 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:46:29,377 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:46:29,377 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:29,377 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:46:29,377 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:29,377 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:46:29,378 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:29,378 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:29,378 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:46:29,416 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:46:29,417 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,427 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:46:29,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,428 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,435 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,446 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:46:29,454 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:29,454 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,455 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,455 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,455 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,457 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:29,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,457 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,457 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,457 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,460 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:29,468 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 11:46:29,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,468 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,474 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:46:29,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,476 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:29,482 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:29,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,486 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:29,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,488 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:29,498 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 11:46:29,498 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,518 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-25 11:46:29,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,548 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:29,558 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:29,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,558 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,563 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:29,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,565 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:29,578 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:29,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:29,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:29,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:29,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:29,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,581 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:29,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:29,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:29,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:29,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:29,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:29,587 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:46:29,590 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:46:29,591 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a037815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:46:29, skipping insertion in model container [2024-09-25 11:46:29,591 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:46:29,593 INFO L158 Benchmark]: Toolchain (without parser) took 835.84ms. Allocated memory was 188.7MB in the beginning and 299.9MB in the end (delta: 111.1MB). Free memory was 112.5MB in the beginning and 237.5MB in the end (delta: -125.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:29,594 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:29,594 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 188.7MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:29,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.28ms. Allocated memory is still 188.7MB. Free memory was 112.2MB in the beginning and 98.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:46:29,595 INFO L158 Benchmark]: Boogie Preprocessor took 40.69ms. Allocated memory is still 188.7MB. Free memory was 98.8MB in the beginning and 97.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:29,596 INFO L158 Benchmark]: RCFGBuilder took 323.48ms. Allocated memory was 188.7MB in the beginning and 299.9MB in the end (delta: 111.1MB). Free memory was 96.7MB in the beginning and 259.5MB in the end (delta: -162.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:29,597 INFO L158 Benchmark]: Referee took 228.60ms. Allocated memory is still 299.9MB. Free memory was 259.5MB in the beginning and 238.5MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-25 11:46:29,599 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 23 to check that procedure precondition always holds at line 23. 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. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. 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 exit of procedure main. 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 10. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.10ms. Allocated memory is still 188.7MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.28ms. Allocated memory is still 188.7MB. Free memory was 112.2MB in the beginning and 98.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.69ms. Allocated memory is still 188.7MB. Free memory was 98.8MB in the beginning and 97.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.48ms. Allocated memory was 188.7MB in the beginning and 299.9MB in the end (delta: 111.1MB). Free memory was 96.7MB in the beginning and 259.5MB in the end (delta: -162.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Referee took 228.60ms. Allocated memory is still 299.9MB. Free memory was 259.5MB in the beginning and 238.5MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:46:29,625 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...