This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:45,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:45,667 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:45,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:45,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:45,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:45,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:45,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:45,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:45,729 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:45,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:45,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:45,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:45,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:45,731 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:45,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:45,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:45,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:45,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:45,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:45,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:45,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:45,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:45,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:45,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:45,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:45,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:45,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:45,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:45,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:45,740 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:45,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:45,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:45,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:45,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:45,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:45,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:45,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:45,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:45,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:45,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:45,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:45,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:45,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:45,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:46,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:46,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:46,025 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:46,026 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:46,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/output/witness-2.1.yml [2024-09-21 19:07:46,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:46,098 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:46,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-21 19:07:47,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:47,725 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:47,725 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-21 19:07:47,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5db565bec/7daa1eb468b447ff9df024aa88f61741/FLAG43ea758b3 [2024-09-21 19:07:47,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5db565bec/7daa1eb468b447ff9df024aa88f61741 [2024-09-21 19:07:47,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:47,756 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:47,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:47,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:47,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:47,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:46" (1/2) ... [2024-09-21 19:07:47,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679e6476 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:47, skipping insertion in model container [2024-09-21 19:07:47,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:46" (1/2) ... [2024-09-21 19:07:47,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e07c01d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:47, skipping insertion in model container [2024-09-21 19:07:47,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:47" (2/2) ... [2024-09-21 19:07:47,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679e6476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:47, skipping insertion in model container [2024-09-21 19:07:47,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:47" (2/2) ... [2024-09-21 19:07:47,779 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:47,783 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ( ( ! ( i == 0 ) ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( i == 1 ) && ( ( ! ( i == 2 ) ) && ( ( ! ( i == 3 ) ) && ( ! ( SIZE < ( ( i + ( i << 1 ) ) / 3 ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ( ! ( i == 3 ) ) && ( ! ( SIZE < ( ( i + ( i << 1 ) ) / 3 ) ) ) ) ) ) ) ) ) || ( ( i == 0 ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ( ! ( i == 3 ) ) && ( ! ( SIZE < ( ( i + ( i << 1 ) ) / 3 ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( i == 1 ) ) && ( ( i == 2 ) && ( ( ! ( i == 3 ) ) && ( ! ( SIZE < ( ( i + ( i << 1 ) ) / 3 ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ( i == 3 ) && ( ! ( SIZE < ( ( i + ( i << 1 ) ) / 3 ) ) ) ) ) ) ) ) ) [2024-09-21 19:07:47,783 INFO L1541 ArrayList]: Loop invariant at [L29-L31] ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( ! ( k == 0 ) ) && ( ( j == k ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( SIZE < ( ( k + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( k < n ) ) && ( ( ! ( i == 1 ) ) && ( ( i == 2 ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( i == 0 ) && ( ( j == 0 ) && ( ( i == j ) && ( ( k == 0 ) && ( ( j == k ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( SIZE < ( ( k + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( k < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( ! ( k == 0 ) ) && ( ( j == k ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( SIZE < ( ( k + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( k < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( ! ( k == 0 ) ) && ( ( j == k ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( SIZE < ( ( k + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( k < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( ! ( k == 0 ) ) && ( ( j == k ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( SIZE < ( ( k + ( i + j ) ) / 3 ) ) ) && ( ( j == 1 ) && ( ( ! ( k < n ) ) && ( ( i == 1 ) && ( ( ! ( i == 2 ) ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) ) [2024-09-21 19:07:47,783 INFO L1541 ArrayList]: Loop invariant at [L25-L27] ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( i < n ) ) && ( ( ! ( SIZE < ( ( j + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j < n ) ) && ( ( ! ( i == 1 ) ) && ( ( i == 2 ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( i == 0 ) && ( ( j == 0 ) && ( ( i == j ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( i < n ) ) && ( ( ! ( SIZE < ( ( j + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( i < n ) ) && ( ( ! ( SIZE < ( ( j + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( ! ( j == 1 ) ) && ( ( ! ( i < n ) ) && ( ( ! ( SIZE < ( ( j + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j < n ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( i == 2 ) ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( i == j ) && ( ( SIZE == 20000001 ) && ( ( ! ( SIZE < n ) ) && ( ( j == 1 ) && ( ( ! ( i < n ) ) && ( ( ! ( SIZE < ( ( j + ( i + j ) ) / 3 ) ) ) && ( ( ! ( j < n ) ) && ( ( i == 1 ) && ( ( ! ( i == 2 ) ) && ( ! ( i == 3 ) ) ) ) ) ) ) ) ) ) ) ) ) [2024-09-21 19:07:47,783 INFO L1541 ArrayList]: Function contract at [L8]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:47,784 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:47,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:48,010 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/sum_by_3.c[406,419] [2024-09-21 19:07:48,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:48,042 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:48,078 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/sum_by_3.c[406,419] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 19:07:48,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:48,180 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:48,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48 WrapperNode [2024-09-21 19:07:48,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:48,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:48,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:48,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:48,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,227 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 [2024-09-21 19:07:48,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:48,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:48,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:48,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:48,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (1/1) ... [2024-09-21 19:07:48,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:48,287 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) [2024-09-21 19:07:48,289 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 [2024-09-21 19:07:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:07:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:48,405 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:48,409 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:48,459 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:48,698 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:48,710 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:48,738 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:48,738 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-21 19:07:48,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:48 BoogieIcfgContainer [2024-09-21 19:07:48,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:48,740 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:48,740 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:48,743 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:48,743 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:46" (1/4) ... [2024-09-21 19:07:48,744 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8b0ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:48, skipping insertion in model container [2024-09-21 19:07:48,744 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:47" (2/4) ... [2024-09-21 19:07:48,744 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8b0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:48, skipping insertion in model container [2024-09-21 19:07:48,745 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:48" (3/4) ... [2024-09-21 19:07:48,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8b0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:48, skipping insertion in model container [2024-09-21 19:07:48,745 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:48" (4/4) ... [2024-09-21 19:07:48,746 INFO L79 RefereeObserver]: Analyzing ICFG sum_by_3.c [2024-09-21 19:07:48,752 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-21 19:07:48,753 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,753 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:48,754 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:48,755 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,755 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:48,755 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from procedure entry to error location [2024-09-21 19:07:48,802 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:48,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,805 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,816 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:48,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,821 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,840 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:48,863 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:48,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,878 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:07:48,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,886 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:48,908 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:48,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,910 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,919 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:48,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,928 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:48,948 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:48,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,964 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:07:48,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,047 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:49,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:49,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,103 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:49,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,132 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:49,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,133 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,133 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,133 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,139 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:49,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,140 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,152 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:49,166 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:49,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,167 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,167 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,183 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:07:49,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,187 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,195 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:49,209 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:49,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,211 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,212 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,219 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:49,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,221 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,225 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:49,239 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:49,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,242 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:49,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,242 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,244 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:49,255 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:49,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,258 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:49,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,261 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:49,269 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:49,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,269 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,271 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:49,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,271 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,271 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,271 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,284 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:07:49,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:49,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:49,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:49,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:49,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,289 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:07:49,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:49,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:49,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:49,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:49,291 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:49,293 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:49,302 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:49,304 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5cd8b0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:49, skipping insertion in model container [2024-09-21 19:07:49,304 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:49,306 INFO L158 Benchmark]: Toolchain (without parser) took 1549.35ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 103.5MB in the end (delta: -6.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,307 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:49,308 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:49,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.98ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 130.4MB in the end (delta: -33.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,310 INFO L158 Benchmark]: Boogie Preprocessor took 73.85ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,310 INFO L158 Benchmark]: RCFGBuilder took 482.47ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 105.8MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,311 INFO L158 Benchmark]: Referee took 564.89ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 103.5MB in the end (delta: 2.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not 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. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is not valid for all loop-free paths from entry of procedure main to loop head at line 21. One counterexample starts in SIZE=4294967296 and ends in i=0, k=0, n=0, SIZE=4294967296. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. 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 29 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.98ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 130.4MB in the end (delta: -33.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.85ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.47ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 105.8MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 564.89ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 103.5MB in the end (delta: 2.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:49,341 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...