This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:43,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:43,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:43,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:43,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:43,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:43,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:43,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:43,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:43,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:43,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:43,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:43,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:43,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:43,487 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:43,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:43,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:43,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:43,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:43,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:43,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:43,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:43,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:43,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:43,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:43,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:43,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:43,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:43,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:43,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:43,498 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:43,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:43,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:43,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:43,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:43,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:43,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:43,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:43,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:43,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:43,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:43,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:43,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:43,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:43,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:43,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:43,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:43,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:43,829 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:43,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 00:29:45,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:45,808 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:45,809 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 00:29:45,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1b0521387/2167534576054fbe9c9b287e70f59c85/FLAG7cbbcf622 [2024-09-25 00:29:45,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1b0521387/2167534576054fbe9c9b287e70f59c85 [2024-09-25 00:29:45,852 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:45,853 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:45,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-25 00:29:45,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:45,913 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:45,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:45,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:45,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:45,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:45" (1/2) ... [2024-09-25 00:29:45,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86f97de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:45, skipping insertion in model container [2024-09-25 00:29:45,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:45" (1/2) ... [2024-09-25 00:29:45,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bfe9719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:45, skipping insertion in model container [2024-09-25 00:29:45,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:45" (2/2) ... [2024-09-25 00:29:45,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86f97de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:45, skipping insertion in model container [2024-09-25 00:29:45,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:45" (2/2) ... [2024-09-25 00:29:45,938 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:45,941 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 00:29:45,942 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:45,942 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:45,942 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:45,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:46,118 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_unwindbound100.c[537,550] [2024-09-25 00:29:46,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:46,141 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:46,181 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:29:46,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:46,221 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:46,222 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:46 WrapperNode [2024-09-25 00:29:46,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:46,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:46,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:46,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:46,237 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,238 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,248 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,266 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:29:46,266 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,266 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,271 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,277 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,283 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,284 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:46,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:46,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:46,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:46,291 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 25.09 12:29:46" (1/1) ... [2024-09-25 00:29:46,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:46,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:46,335 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) [2024-09-25 00:29:46,337 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 [2024-09-25 00:29:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:46,504 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:46,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:46,576 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,604 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,878 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:46,891 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:46,918 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:46,918 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:46,919 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:46 BoogieIcfgContainer [2024-09-25 00:29:46,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:46,919 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:46,919 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:46,920 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:46,920 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:45" (1/4) ... [2024-09-25 00:29:46,921 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f6163da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,921 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:45" (2/4) ... [2024-09-25 00:29:46,921 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f6163da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,921 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 25.09 12:29:46" (3/4) ... [2024-09-25 00:29:46,922 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f6163da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:46, skipping insertion in model container [2024-09-25 00:29:46,922 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:46" (4/4) ... [2024-09-25 00:29:46,923 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-25 00:29:46,926 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:46,926 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. [2024-09-25 00:29:46,927 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,927 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:46,927 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:46,927 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,927 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:29:46,927 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:29:46,928 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,928 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:46,928 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:46,928 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:46,928 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:46,928 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:29:46,929 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 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 [2024-09-25 00:29:46,964 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:46,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:46,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:46,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:46,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:46,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,979 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:46,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:46,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:46,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:46,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:46,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:47,002 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:47,021 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:47,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:47,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:47,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:47,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:47,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,024 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:47,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:47,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:47,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:47,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:47,026 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:47,040 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:47,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:47,041 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:47,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:47,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:47,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,052 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:47,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:47,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:47,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:47,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:47,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,059 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:51,079 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:51,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,081 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:51,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,083 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:51,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:51,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,096 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,098 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:51,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,099 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,100 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:51,112 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:51,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,135 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:51,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,136 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:51,138 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:51,148 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:51,148 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:51,148 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:51,149 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:51,149 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:51,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,163 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:51,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:51,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:51,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:51,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:51,168 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,171 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:55,183 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:55,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,184 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,185 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:55,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,187 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:55,195 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:55,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,196 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,196 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,198 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:55,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,199 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,201 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:55,208 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:55,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,210 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:55,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,212 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:55,220 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:55,220 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,220 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,221 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,221 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,222 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:55,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,224 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:55,232 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:55,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,236 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:55,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,237 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:55,239 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:55,247 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:55,248 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:55,248 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:55,248 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:55,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:55,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,272 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:55,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:55,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:55,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:55,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:55,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,283 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:59,289 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:29:59,289 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f6163da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,289 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:59,292 INFO L158 Benchmark]: Toolchain (without parser) took 13377.49ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 84.9MB in the end (delta: 41.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,292 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 201.3MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,292 INFO L158 Benchmark]: Witness Parser took 0.81ms. Allocated memory is still 201.3MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.05ms. Allocated memory is still 201.3MB. Free memory was 126.5MB in the beginning and 112.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,293 INFO L158 Benchmark]: Boogie Preprocessor took 66.26ms. Allocated memory is still 201.3MB. Free memory was 112.4MB in the beginning and 110.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,293 INFO L158 Benchmark]: RCFGBuilder took 628.66ms. Allocated memory is still 201.3MB. Free memory was 110.5MB in the beginning and 157.2MB in the end (delta: -46.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,294 INFO L158 Benchmark]: Referee took 12370.04ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 84.9MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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 main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 201.3MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.81ms. Allocated memory is still 201.3MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.05ms. Allocated memory is still 201.3MB. Free memory was 126.5MB in the beginning and 112.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.26ms. Allocated memory is still 201.3MB. Free memory was 112.4MB in the beginning and 110.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.66ms. Allocated memory is still 201.3MB. Free memory was 110.5MB in the beginning and 157.2MB in the end (delta: -46.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12370.04ms. Allocated memory is still 201.3MB. Free memory was 157.2MB in the beginning and 84.9MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:29:59,331 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:01,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:01,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:01,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:01,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:01,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:01,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:01,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:01,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:01,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:01,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:01,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:01,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:01,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:01,603 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:01,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:01,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:01,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:01,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:01,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:01,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:01,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:01,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:01,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:01,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:01,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:01,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:01,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:01,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:01,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:01,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:01,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:01,612 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:01,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:01,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:01,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:01,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:01,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:01,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:01,617 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:01,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:01,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:01,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:01,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:01,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:01,618 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:01,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:01,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:01,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:01,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:01,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:01,982 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:01,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 00:30:03,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:03,692 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:03,695 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-25 00:30:03,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/42818a45a/742654acfafb4bc096a32c71703b5f38/FLAG79cc8509a [2024-09-25 00:30:03,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/42818a45a/742654acfafb4bc096a32c71703b5f38 [2024-09-25 00:30:03,723 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:03,724 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:03,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-25 00:30:03,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:03,779 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:03,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:03,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:03,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:03,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:03" (1/2) ... [2024-09-25 00:30:03,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bfa5294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03, skipping insertion in model container [2024-09-25 00:30:03,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:03" (1/2) ... [2024-09-25 00:30:03,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a161dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:03, skipping insertion in model container [2024-09-25 00:30:03,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:03" (2/2) ... [2024-09-25 00:30:03,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bfa5294 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:03, skipping insertion in model container [2024-09-25 00:30:03,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:03" (2/2) ... [2024-09-25 00:30:03,803 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:03,803 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 00:30:03,804 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:03,804 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:30:03,804 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:30:03,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:04,014 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_unwindbound100.c[537,550] [2024-09-25 00:30:04,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:04,046 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:04,079 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 00:30:04,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:04,104 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:04,104 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:04 WrapperNode [2024-09-25 00:30:04,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:04,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:04,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:04,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:04,118 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,119 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,127 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,138 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:04,138 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,138 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,144 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,147 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,149 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,151 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:04,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:04,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:04,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:04,157 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 25.09 12:30:04" (1/1) ... [2024-09-25 00:30:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:04,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:04,190 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) [2024-09-25 00:30:04,197 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 [2024-09-25 00:30:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:04,334 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:04,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:04,359 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:04,384 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:04,964 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:04,984 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:05,017 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:05,017 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:05,018 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:05 BoogieIcfgContainer [2024-09-25 00:30:05,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:05,019 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:05,019 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:05,019 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:05,020 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:03" (1/4) ... [2024-09-25 00:30:05,020 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b43fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,020 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:03" (2/4) ... [2024-09-25 00:30:05,020 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b43fb43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,021 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 25.09 12:30:04" (3/4) ... [2024-09-25 00:30:05,021 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b43fb43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,021 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:05" (4/4) ... [2024-09-25 00:30:05,022 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-25 00:30:05,028 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:05,028 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. [2024-09-25 00:30:05,029 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:05,029 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:05,029 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:30:05,029 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:05,029 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:30:05,030 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:05,030 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:05,030 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:05,030 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:05,030 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:05,031 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:05,031 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:30:05,032 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, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:30:05,087 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:05,088 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:05,088 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:05,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:05,089 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:05,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,100 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:05,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:05,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:05,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:05,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:05,119 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:05,147 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:05,149 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:05,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:05,150 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:05,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:05,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,152 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:05,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:05,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:05,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:05,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:05,157 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:05,180 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:30:05,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:05,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:05,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:05,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:05,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,191 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:30:05,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:05,191 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:05,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:05,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:05,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,228 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:09,260 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:30:09,261 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,262 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:30:09,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,263 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,263 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,265 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:09,278 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:09,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,285 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:09,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,291 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:09,317 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:30:09,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,318 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,318 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,345 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:30:09,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:09,349 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:09,375 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:09,375 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:09,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:09,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:09,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:09,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,389 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:30:09,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:09,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:09,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:09,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:09,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,491 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:13,522 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:13,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,523 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:13,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,525 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,535 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:13,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,539 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:13,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,542 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:13,549 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:13,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,551 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:13,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,552 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:13,560 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:13,560 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,560 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,560 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,561 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,563 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:13,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,568 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:13,579 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:30:13,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,584 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:30:13,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,586 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:17,609 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:17,640 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:30:17,640 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:17,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:17,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:17,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:17,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:17,666 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:30:17,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:17,667 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:17,667 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:17,667 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:17,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:21,766 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:21,793 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:21,793 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b43fb43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:21, skipping insertion in model container [2024-09-25 00:30:21,793 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:21,795 INFO L158 Benchmark]: Toolchain (without parser) took 18014.79ms. Allocated memory was 77.6MB in the beginning and 127.9MB in the end (delta: 50.3MB). Free memory was 38.8MB in the beginning and 69.1MB in the end (delta: -30.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 00:30:21,795 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 77.6MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:21,795 INFO L158 Benchmark]: Witness Parser took 1.21ms. Allocated memory is still 77.6MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:21,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.91ms. Allocated memory is still 77.6MB. Free memory was 38.6MB in the beginning and 47.8MB in the end (delta: -9.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:21,796 INFO L158 Benchmark]: Boogie Preprocessor took 49.56ms. Allocated memory is still 77.6MB. Free memory was 47.8MB in the beginning and 45.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:21,796 INFO L158 Benchmark]: RCFGBuilder took 862.33ms. Allocated memory was 77.6MB in the beginning and 127.9MB in the end (delta: 50.3MB). Free memory was 45.6MB in the beginning and 102.0MB in the end (delta: -56.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:21,797 INFO L158 Benchmark]: Referee took 16774.95ms. Allocated memory is still 127.9MB. Free memory was 102.0MB in the beginning and 69.1MB in the end (delta: 32.9MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-09-25 00:30:21,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 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 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is 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. 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 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 36 to exit of procedure main. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 77.6MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.21ms. Allocated memory is still 77.6MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.91ms. Allocated memory is still 77.6MB. Free memory was 38.6MB in the beginning and 47.8MB in the end (delta: -9.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.56ms. Allocated memory is still 77.6MB. Free memory was 47.8MB in the beginning and 45.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 862.33ms. Allocated memory was 77.6MB in the beginning and 127.9MB in the end (delta: 50.3MB). Free memory was 45.6MB in the beginning and 102.0MB in the end (delta: -56.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 16774.95ms. Allocated memory is still 127.9MB. Free memory was 102.0MB in the beginning and 69.1MB in the end (delta: 32.9MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:21,841 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...