This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:10,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:10,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:10,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:10,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:10,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:10,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:10,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:10,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:10,813 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:10,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:10,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:10,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:10,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:10,825 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:10,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:10,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:10,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:10,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:10,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:10,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:10,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:10,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:10,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:10,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:10,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:10,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:10,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:10,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:10,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:10,831 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:10,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:10,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:10,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:10,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:10,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:10,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:10,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:11,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:11,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:11,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:11,074 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:11,075 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:11,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/trex01-2.yml/output/witness-2.1.yml [2024-09-21 19:06:11,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:11,133 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:11,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/trex01-2.i [2024-09-21 19:06:12,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:12,588 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:12,588 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/trex01-2.i [2024-09-21 19:06:12,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d0132da59/357c154fe7ae4570b8793acb8af050cf/FLAGc67f164e3 [2024-09-21 19:06:12,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d0132da59/357c154fe7ae4570b8793acb8af050cf [2024-09-21 19:06:12,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:12,611 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:12,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:12,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:12,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:12,619 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 07:06:11" (1/2) ... [2024-09-21 19:06:12,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3345332 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:12, skipping insertion in model container [2024-09-21 19:06:12,620 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 07:06:11" (1/2) ... [2024-09-21 19:06:12,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ef80949 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:12, skipping insertion in model container [2024-09-21 19:06:12,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:12" (2/2) ... [2024-09-21 19:06:12,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3345332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12, skipping insertion in model container [2024-09-21 19:06:12,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:12" (2/2) ... [2024-09-21 19:06:12,629 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:12,630 INFO L1541 ArrayList]: Loop invariant at [L36-L46] 1 [2024-09-21 19:06:12,630 INFO L1541 ArrayList]: Loop invariant at [L30-L30] ( ( ! ( z == 1 ) ) && ( ( ! ( z == 2 ) ) && ( ( z == 4 ) && ( 1 < k ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( ! ( z == 2 ) ) && ( ( ! ( z == 4 ) ) && ( ( 1 < k ) && ( ! ( 1073741823 < k ) ) ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( ! ( z == 2 ) ) && ( ( ! ( z == 4 ) ) && ( 1 < k ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( ( ! ( z == 2 ) ) || ( ( ! ( z == 4 ) ) && ( 1 < k ) ) ) && ( ( z == 2 ) || ( 1 < k ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( ! ( z == 2 ) ) && ( ( z == 4 ) && ( ( 1 < k ) && ( ! ( 1073741823 < k ) ) ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( ( ! ( z == 2 ) ) || ( ( ! ( z == 4 ) ) && ( ( 1 < k ) && ( ! ( 1073741823 < k ) ) ) ) ) && ( ( z == 2 ) || ( ( 1 < k ) && ( ! ( 1073741823 < k ) ) ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( z == 2 ) && ( ( ! ( z == 4 ) ) && ( ( 1 < k ) && ( ! ( 1073741823 < k ) ) ) ) ) ) || ( ( ! ( z == 1 ) ) && ( ( z == 2 ) && ( ( ! ( z == 4 ) ) && ( 1 < k ) ) ) ) || ( ( z == 1 ) && ( ( ! ( z == 2 ) ) && ( ! ( z == 4 ) ) ) ) || ( ( z == 1 ) && ( ( ! ( z == 2 ) ) && ( ( ! ( z == 4 ) ) && ( ! ( 1073741823 < k ) ) ) ) ) [2024-09-21 19:06:12,630 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:12,630 INFO L1541 ArrayList]: Function contract at [L48]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:12,630 INFO L1541 ArrayList]: Function contract at [L25]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:12,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:12,775 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/trex01-2.i[895,908] [2024-09-21 19:06:12,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:12,803 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:12,836 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/trex01-2.i[895,908] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Global Start Parsing Global [2024-09-21 19:06:12,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:12,878 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:12,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12 WrapperNode [2024-09-21 19:06:12,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:12,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:12,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:12,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:12,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,919 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 19:06:12,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:12,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:12,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:12,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:12,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (1/1) ... [2024-09-21 19:06:12,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:12,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:12,963 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 19:06:12,965 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 19:06:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-21 19:06:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:06:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:13,064 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:13,066 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:13,085 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:13,196 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:13,217 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:13,224 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:13,257 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:13,258 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:06:13,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:13 BoogieIcfgContainer [2024-09-21 19:06:13,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:13,259 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:13,259 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:13,259 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:13,260 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 07:06:11" (1/4) ... [2024-09-21 19:06:13,260 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@391250d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:13, skipping insertion in model container [2024-09-21 19:06:13,260 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:12" (2/4) ... [2024-09-21 19:06:13,260 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@391250d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:13, skipping insertion in model container [2024-09-21 19:06:13,261 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:12" (3/4) ... [2024-09-21 19:06:13,261 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@391250d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:13, skipping insertion in model container [2024-09-21 19:06:13,261 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:13" (4/4) ... [2024-09-21 19:06:13,262 INFO L79 RefereeObserver]: Analyzing ICFG trex01-2.i [2024-09-21 19:06:13,265 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:06:13,265 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC fErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:13,265 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC fErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to LOOP_INVARIANT_ERROR_LOC fErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC fErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC fErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 19:06:13,266 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 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC fErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:06:13,266 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC fErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:13,267 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:13,267 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 19:06:13,267 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 19:06:13,267 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-21 19:06:13,308 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:13,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,310 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,311 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,327 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:13,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,344 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location fErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:13,361 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:13,361 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,367 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:13,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,368 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,374 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head fErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:13,390 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:13,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,397 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:13,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,398 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,403 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to loop head fErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:13,419 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:13,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,425 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:13,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,426 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,430 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:13,440 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:13,440 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,443 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:13,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,446 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:13,456 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:06:13,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,463 INFO L101 BaseMinimizeStates]: Removed 13 edges and 5 locations by large block encoding [2024-09-21 19:06:13,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,465 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,466 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,468 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:13,481 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 19:06:13,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,492 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-21 19:06:13,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,495 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head fErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:13,506 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:13,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,507 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,507 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,533 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:06:13,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,533 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,537 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head fErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:13,544 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:13,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,546 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:13,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,546 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,548 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:13,555 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-21 19:06:13,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,567 INFO L101 BaseMinimizeStates]: Removed 23 edges and 6 locations by large block encoding [2024-09-21 19:06:13,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,568 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,570 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location fErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:13,577 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:13,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,577 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,578 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:13,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,583 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location fErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:13,589 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:13,589 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,590 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,592 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:13,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,594 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,594 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,595 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:13,602 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:13,602 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,602 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,603 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,604 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:13,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,608 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:13,615 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:13,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:13,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:13,616 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:13,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:13,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,617 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:13,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:13,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:13,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:13,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:13,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:13,632 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:13,633 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@391250d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:13, skipping insertion in model container [2024-09-21 19:06:13,633 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:13,635 INFO L158 Benchmark]: Toolchain (without parser) took 1022.57ms. Allocated memory is still 172.0MB. Free memory was 142.0MB in the beginning and 121.4MB in the end (delta: 20.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:13,635 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:13,636 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:13,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.94ms. Allocated memory is still 172.0MB. Free memory was 141.8MB in the beginning and 130.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:13,637 INFO L158 Benchmark]: Boogie Preprocessor took 55.48ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:13,638 INFO L158 Benchmark]: RCFGBuilder took 321.77ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 113.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:13,639 INFO L158 Benchmark]: Referee took 374.48ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 121.4MB in the end (delta: -8.0MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-09-21 19:06:13,640 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 19. 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 30 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure f to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure f. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. 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. 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 main to check that procedure precondition always holds at line 53. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 30 to exit of procedure f. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.94ms. Allocated memory is still 172.0MB. Free memory was 141.8MB in the beginning and 130.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.48ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.77ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 113.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 374.48ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 121.4MB in the end (delta: -8.0MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:13,668 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...