This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:32,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:32,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:32,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:32,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:32,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:32,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:32,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:32,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:32,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:32,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:32,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:32,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:32,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:32,225 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:32,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:32,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:32,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:32,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:32,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:32,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:32,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:32,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:32,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:32,232 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:32,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:32,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:32,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:32,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:32,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:32,234 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:32,234 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:32,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:32,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:32,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:32,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:32,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:32,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:32,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:32,237 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:32,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:32,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:32,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:32,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:32,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:32,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:32,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:32,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:32,507 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:32,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2024-09-21 19:06:34,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:34,232 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:34,233 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_vardep_1.c [2024-09-21 19:06:34,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/57f559710/3a21b7e030c449ad88d37e2a4947483b/FLAG743cdefe1 [2024-09-21 19:06:34,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/57f559710/3a21b7e030c449ad88d37e2a4947483b [2024-09-21 19:06:34,267 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:34,268 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:34,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/simple_vardep_1.yml/output/witness-2.1.yml [2024-09-21 19:06:34,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:34,335 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:34,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:34,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:34,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:34,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:34" (1/2) ... [2024-09-21 19:06:34,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e50fd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:34, skipping insertion in model container [2024-09-21 19:06:34,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:34" (1/2) ... [2024-09-21 19:06:34,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@423f0a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:34, skipping insertion in model container [2024-09-21 19:06:34,348 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 07:06:34" (2/2) ... [2024-09-21 19:06:34,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e50fd5e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34, skipping insertion in model container [2024-09-21 19:06:34,349 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 07:06:34" (2/2) ... [2024-09-21 19:06:34,359 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:34,360 INFO L1541 ArrayList]: Loop invariant at [L21-L27] ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( ! ( k == 0 ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( j == 2 ) ) && ( ( ! ( k == 3 ) ) && ( ( k < 268435455 ) && ( k == ( i + j ) ) ) ) ) ) ) ) ) || ( ( ( ! ( i == 0 ) ) || ( ( ! ( j == 0 ) ) && ( ( ! ( k == 0 ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( j == 2 ) ) && ( ( ! ( k == 3 ) ) && ( k == ( i + j ) ) ) ) ) ) ) ) && ( ( i == 0 ) || ( ( ( ! ( j == 0 ) ) || ( ( ! ( k == 0 ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( j == 2 ) ) && ( ( ! ( k == 3 ) ) && ( k == ( i + j ) ) ) ) ) ) ) && ( ( j == 0 ) || ( ( ! ( k == 0 ) ) && ( ( ( ! ( i == 1 ) ) || ( ( ! ( j == 2 ) ) && ( ( ! ( k == 3 ) ) && ( k == ( i + j ) ) ) ) ) && ( ( i == 1 ) || ( ( ! ( k == 3 ) ) && ( k == ( i + j ) ) ) ) ) ) ) ) ) ) || ( ( i == 0 ) && ( ( j == 0 ) && ( ( k == 0 ) && ( ( ( ! ( k == 3 ) ) && ( ! ( j == 2 ) ) ) && ( ! ( i == 1 ) ) ) ) ) ) || ( ( ( ! ( i == 0 ) ) || ( ( ! ( j == 0 ) ) && ( ( ! ( k == 0 ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( j == 2 ) ) && ( ( ! ( k == 3 ) ) && ( k == ( i + j ) ) ) ) ) ) ) ) && ( ( i == 0 ) || ( ( ! ( k == 0 ) ) && ( ( ! ( i == 1 ) ) && ( ( ! ( j == 2 ) ) && ( ( ! ( k == 3 ) ) && ( k == ( i + j ) ) ) ) ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( j == 0 ) ) && ( ( ! ( k == 0 ) ) && ( ( i == 1 ) && ( ( j == 2 ) && ( k == 3 ) ) ) ) ) ) [2024-09-21 19:06:34,360 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:34,360 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:34,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:34,516 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/loop-crafted/simple_vardep_1.c[584,597] [2024-09-21 19:06:34,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:34,542 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:34,583 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/loop-crafted/simple_vardep_1.c[584,597] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:34,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:34,646 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:34,647 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34 WrapperNode [2024-09-21 19:06:34,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:34,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:34,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:34,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:34,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,675 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,686 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 19:06:34,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:34,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:34,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:34,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:34,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (1/1) ... [2024-09-21 19:06:34,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:34,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:34,732 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 19:06:34,734 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 19:06:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:34,833 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:34,835 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:34,888 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:34,975 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:34,991 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:35,019 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:35,020 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:35,021 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:35 BoogieIcfgContainer [2024-09-21 19:06:35,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:35,023 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:35,023 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:35,024 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:35,024 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:34" (1/4) ... [2024-09-21 19:06:35,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d600ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,025 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 07:06:34" (2/4) ... [2024-09-21 19:06:35,026 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d600ce4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,027 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:34" (3/4) ... [2024-09-21 19:06:35,027 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d600ce4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,027 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:35" (4/4) ... [2024-09-21 19:06:35,029 INFO L79 RefereeObserver]: Analyzing ICFG simple_vardep_1.c [2024-09-21 19:06:35,032 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:35,032 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:35,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-1 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:35,033 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 19:06:35,033 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:06:35,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:06:35,033 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 19:06:35,033 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 19:06:35,034 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 19:06:35,081 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:35,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,104 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:35,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,106 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,123 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:35,139 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:35,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,156 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:35,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,157 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,161 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-1 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:35,173 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:35,173 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,173 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,174 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,174 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:35,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,175 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,176 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,176 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,182 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:35,197 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:35,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,204 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:35,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,210 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:35,225 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:06:35,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,226 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,240 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:06:35,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,323 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:35,329 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:35,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,329 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,332 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:35,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,338 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:35,349 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:35,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:35,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:35,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:35,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:35,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,351 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:35,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:35,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:35,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:35,352 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:35,352 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:35,366 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:35,367 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d600ce4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,367 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:35,369 INFO L158 Benchmark]: Toolchain (without parser) took 1032.76ms. Allocated memory is still 167.8MB. Free memory was 92.0MB in the beginning and 102.4MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:35,370 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:35,371 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 94.1MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:35,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.63ms. Allocated memory is still 167.8MB. Free memory was 91.7MB in the beginning and 135.9MB in the end (delta: -44.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:35,373 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 167.8MB. Free memory was 135.9MB in the beginning and 137.0MB in the end (delta: -1.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:35,373 INFO L158 Benchmark]: RCFGBuilder took 321.18ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 123.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:35,375 INFO L158 Benchmark]: Referee took 344.46ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 102.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 19:06:35,377 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 valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 26. 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 entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 94.1MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.63ms. Allocated memory is still 167.8MB. Free memory was 91.7MB in the beginning and 135.9MB in the end (delta: -44.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 167.8MB. Free memory was 135.9MB in the beginning and 137.0MB in the end (delta: -1.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 321.18ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 123.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 344.46ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 102.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:35,413 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...