This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:08:01,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:01,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:01,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:01,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:01,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:01,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:01,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:01,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:01,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:01,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:01,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:01,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:01,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:01,805 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:01,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:01,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:01,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:01,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:01,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:01,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:01,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:01,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:01,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:01,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:01,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:01,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:01,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:01,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:01,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:01,809 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:01,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:01,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:01,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:01,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:01,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:01,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:01,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:01,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:01,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:01,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:01,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:01,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:01,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:02,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:02,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:02,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:02,028 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:02,029 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:02,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/benchmark17_conjunctive.yml/output/witness-2.1.yml [2024-09-21 19:08:02,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:02,088 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:02,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i [2024-09-21 19:08:03,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:03,467 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:03,468 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i [2024-09-21 19:08:03,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/81a897051/a8f9ee3f90a945eabc3ccfeabf7a5db9/FLAGa60ca0f04 [2024-09-21 19:08:03,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/81a897051/a8f9ee3f90a945eabc3ccfeabf7a5db9 [2024-09-21 19:08:03,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:03,491 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:03,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:03,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:03,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:03,499 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 07:08:02" (1/2) ... [2024-09-21 19:08:03,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e37ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:03, skipping insertion in model container [2024-09-21 19:08:03,502 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 07:08:02" (1/2) ... [2024-09-21 19:08:03,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1eff9d73 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:03, skipping insertion in model container [2024-09-21 19:08:03,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:03" (2/2) ... [2024-09-21 19:08:03,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e37ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03, skipping insertion in model container [2024-09-21 19:08:03,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:03" (2/2) ... [2024-09-21 19:08:03,511 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:03,511 INFO L1541 ArrayList]: Loop invariant at [L24-L27] ( ( ! ( k == 0 ) ) && ( ( ! ( i == 0 ) ) && ( ( ! ( k == 1 ) ) && ( ( ! ( i == 1 ) ) && ( ( k == i ) && ( 0 < n ) ) ) ) ) ) || ( ( ( ! ( k == 0 ) ) || ( ( i == 0 ) && ( ( ! ( k == 1 ) ) && ( ( ! ( i == 1 ) ) && ( ( k == i ) && ( 0 < n ) ) ) ) ) ) && ( ( k == 0 ) || ( ( ! ( i == 0 ) ) && ( ( ( ! ( k == 1 ) ) || ( ( i == 1 ) && ( ( k == i ) && ( 0 < n ) ) ) ) && ( ( k == 1 ) || ( ( ! ( i == 1 ) ) && ( ( k == i ) && ( 0 < n ) ) ) ) ) ) ) ) || ( ( ( ! ( k == 0 ) ) || ( ( i == 0 ) && ( ( ! ( k == 1 ) ) && ( ( ! ( i == 1 ) ) && ( ( k == i ) && ( 0 < n ) ) ) ) ) ) && ( ( k == 0 ) || ( ( ! ( i == 0 ) ) && ( ( ! ( k == 1 ) ) && ( ( ! ( i == 1 ) ) && ( ( k == i ) && ( 0 < n ) ) ) ) ) ) ) || ( ( k == 0 ) && ( ( i == 0 ) && ( ( ( k == i ) && ( ! ( i == 1 ) ) ) && ( ! ( k == 1 ) ) ) ) ) || ( ( ! ( k == 0 ) ) && ( ( ! ( i == 0 ) ) && ( ( k == 1 ) && ( ( i == 1 ) && ( ( k == i ) && ( 0 < n ) ) ) ) ) ) [2024-09-21 19:08:03,514 INFO L1541 ArrayList]: Function contract at [L14]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:03,514 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:03,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:03,658 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-zilu/benchmark17_conjunctive.i[873,886] [2024-09-21 19:08:03,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:03,673 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:08:03,700 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-zilu/benchmark17_conjunctive.i[873,886] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:08:03,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:03,725 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:03,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03 WrapperNode [2024-09-21 19:08:03,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:03,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:03,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:03,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:03,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,756 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 19:08:03,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:03,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:03,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:03,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:03,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (1/1) ... [2024-09-21 19:08:03,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:03,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:03,808 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 19:08:03,811 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 19:08:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:03,912 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:03,916 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:03,938 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:04,061 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:04,073 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:04,131 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:04,135 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:08:04,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:04 BoogieIcfgContainer [2024-09-21 19:08:04,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:04,136 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:04,136 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:04,137 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:04,137 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 07:08:02" (1/4) ... [2024-09-21 19:08:04,137 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42596383 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:04, skipping insertion in model container [2024-09-21 19:08:04,137 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:03" (2/4) ... [2024-09-21 19:08:04,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42596383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:04, skipping insertion in model container [2024-09-21 19:08:04,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:03" (3/4) ... [2024-09-21 19:08:04,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42596383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:04, skipping insertion in model container [2024-09-21 19:08:04,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:04" (4/4) ... [2024-09-21 19:08:04,139 INFO L79 RefereeObserver]: Analyzing ICFG benchmark17_conjunctive.i [2024-09-21 19:08:04,143 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:08:04,144 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:04,145 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:04,145 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:04,145 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 19:08:04,145 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 19:08:04,145 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:08:04,145 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 19:08:04,145 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 19:08:04,146 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 4 loop-free subgraphs from procedure entry to error location [2024-09-21 19:08:04,181 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:04,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,200 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:04,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,216 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:04,226 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:04,226 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,226 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,226 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,233 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:04,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,234 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,234 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,234 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,238 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:04,250 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:08:04,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,251 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,251 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,266 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:08:04,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,270 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:04,274 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:04,274 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,275 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,275 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:04,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,281 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:04,289 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:04,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,290 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,293 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:04,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,298 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:04,303 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:04,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,309 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:04,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,314 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,318 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:04,322 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:04,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,322 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,324 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:04,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,325 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,325 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,325 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,326 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:04,330 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:04,330 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:04,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:04,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:04,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:04,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,332 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:04,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:04,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:04,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:04,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:04,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:04,342 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:04,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42596383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:04, skipping insertion in model container [2024-09-21 19:08:04,343 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:04,344 INFO L158 Benchmark]: Toolchain (without parser) took 852.66ms. Allocated memory is still 174.1MB. Free memory was 105.1MB in the beginning and 124.0MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:04,344 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:04,345 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:04,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.28ms. Allocated memory is still 174.1MB. Free memory was 104.8MB in the beginning and 91.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:04,346 INFO L158 Benchmark]: Boogie Preprocessor took 51.73ms. Allocated memory is still 174.1MB. Free memory was 91.2MB in the beginning and 89.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:04,346 INFO L158 Benchmark]: RCFGBuilder took 357.16ms. Allocated memory is still 174.1MB. Free memory was 89.1MB in the beginning and 143.8MB in the end (delta: -54.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-21 19:08:04,346 INFO L158 Benchmark]: Referee took 206.86ms. Allocated memory is still 174.1MB. Free memory was 143.8MB in the beginning and 124.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:08:04,348 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 16. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. 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 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 main to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.28ms. Allocated memory is still 174.1MB. Free memory was 104.8MB in the beginning and 91.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.73ms. Allocated memory is still 174.1MB. Free memory was 91.2MB in the beginning and 89.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.16ms. Allocated memory is still 174.1MB. Free memory was 89.1MB in the beginning and 143.8MB in the end (delta: -54.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Referee took 206.86ms. Allocated memory is still 174.1MB. Free memory was 143.8MB in the beginning and 124.0MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:04,371 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...