This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:45,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:45,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:45,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:45,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:45,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:45,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:45,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:45,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:45,918 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:45,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:45,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:45,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:45,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:45,921 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:45,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:45,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:45,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:45,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:45,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:45,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:45,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:45,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:45,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:45,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:45,925 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:45,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:45,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:45,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:45,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:45,928 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:45,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:45,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:45,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:45,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:45,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:45,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:45,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:45,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:45,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:45,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:45,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:45,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:45,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:46,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:46,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:46,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:46,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:46,142 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:46,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-21 19:10:47,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:47,510 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:47,511 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-21 19:10:47,519 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3c2224c56/75a2d37e3a9c42f19bab07c57566d72b/FLAGa659995ba [2024-09-21 19:10:47,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3c2224c56/75a2d37e3a9c42f19bab07c57566d72b [2024-09-21 19:10:47,911 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:47,912 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:47,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/output/witness-2.1.yml [2024-09-21 19:10:47,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:47,957 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:47,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:47,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:47,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:47,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:47" (1/2) ... [2024-09-21 19:10:47,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc244f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:47, skipping insertion in model container [2024-09-21 19:10:47,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:47" (1/2) ... [2024-09-21 19:10:47,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b829780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:47, skipping insertion in model container [2024-09-21 19:10:47,966 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 07:10:47" (2/2) ... [2024-09-21 19:10:47,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc244f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:47, skipping insertion in model container [2024-09-21 19:10:47,967 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 07:10:47" (2/2) ... [2024-09-21 19:10:47,973 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:47,973 INFO L1541 ArrayList]: Loop invariant at [L37-L50] 1 [2024-09-21 19:10:47,973 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:47,973 INFO L1541 ArrayList]: Function contract at [L8]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:47,973 INFO L1541 ArrayList]: Function contract at [L11]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:47,973 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures 1 [2024-09-21 19:10:47,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:48,114 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/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-21 19:10:48,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:48,134 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:10:48,168 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/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:10:48,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:48,189 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:48,189 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:48 WrapperNode [2024-09-21 19:10:48,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:48,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:48,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:48,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:48,200 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,200 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,204 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,210 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:10:48,210 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,210 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,212 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,215 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,215 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,216 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:48,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:48,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:48,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:48,218 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 07:10:48" (1/1) ... [2024-09-21 19:10:48,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:48,248 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 19:10:48,252 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 19:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:10:48,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:48,338 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:48,340 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:48,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:48,384 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:48,405 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:48,491 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:48,507 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:48,527 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:48,527 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:48,527 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:48 BoogieIcfgContainer [2024-09-21 19:10:48,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:48,528 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:48,528 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:48,531 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:48,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:47" (1/4) ... [2024-09-21 19:10:48,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a5df9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:48, skipping insertion in model container [2024-09-21 19:10:48,532 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 07:10:47" (2/4) ... [2024-09-21 19:10:48,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a5df9c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:48, skipping insertion in model container [2024-09-21 19:10:48,532 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 07:10:48" (3/4) ... [2024-09-21 19:10:48,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a5df9c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:48, skipping insertion in model container [2024-09-21 19:10:48,532 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 07:10:48" (4/4) ... [2024-09-21 19:10:48,533 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-21 19:10:48,536 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:48,537 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:48,537 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:10:48,537 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:48,537 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:10:48,538 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:48,538 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:10:48,538 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:48,539 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:48,539 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:48,539 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 19:10:48,539 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr9ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:10:48,539 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 19:10:48,539 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 19:10:48,540 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:10:48,540 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 19:10:48,540 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 19:10:48,541 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 11 loop-free subgraphs from procedure entry to error location [2024-09-21 19:10:48,588 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:48,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,589 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,589 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,590 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,597 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:48,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,613 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:48,625 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:10:48,625 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,625 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,626 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,626 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,629 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:10:48,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,636 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,657 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:10:48,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,658 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:10:48,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,661 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,680 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:10:48,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,683 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:10:48,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,683 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,687 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,698 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:48,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,700 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:48,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,700 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,702 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:48,710 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:10:48,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,712 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:10:48,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,715 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,723 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:10:48,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,724 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:10:48,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,725 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,727 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,741 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:48,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,741 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,742 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:48,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,745 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,751 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:48,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,752 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:48,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,754 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,760 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:48,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,761 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,761 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,762 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:48,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,763 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,771 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:10:48,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,778 INFO L101 BaseMinimizeStates]: Removed 20 edges and 6 locations by large block encoding [2024-09-21 19:10:48,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,779 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,780 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr9ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:48,786 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:10:48,788 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,788 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,788 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,790 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:10:48,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,793 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,794 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:48,799 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:48,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,801 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:48,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,811 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:10:48,811 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,812 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,812 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,813 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:10:48,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,814 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,814 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,815 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:48,820 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:10:48,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,823 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:10:48,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,825 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:10:48,832 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:10:48,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:48,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:48,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:48,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:48,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,839 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 19:10:48,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:48,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:48,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:48,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:48,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:48,844 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:10:48,854 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:48,855 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a5df9c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:48, skipping insertion in model container [2024-09-21 19:10:48,855 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:48,857 INFO L158 Benchmark]: Toolchain (without parser) took 899.22ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 83.2MB in the beginning and 125.3MB in the end (delta: -42.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:48,857 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 102.2MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:48,858 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:48,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.34ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 69.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:10:48,860 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:10:48,861 INFO L158 Benchmark]: RCFGBuilder took 309.85ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 67.1MB in the beginning and 166.2MB in the end (delta: -99.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:48,861 INFO L158 Benchmark]: Referee took 327.17ms. Allocated memory is still 199.2MB. Free memory was 166.2MB in the beginning and 125.3MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:48,865 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 13. 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 main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. 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 loop head at line 37 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 29. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 102.2MB in the end (delta: 133.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.34ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 69.2MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 142.6MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.85ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 67.1MB in the beginning and 166.2MB in the end (delta: -99.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Referee took 327.17ms. Allocated memory is still 199.2MB. Free memory was 166.2MB in the beginning and 125.3MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:48,887 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...